Quadratic equations Questions and Answers
Algebra
Quadratic equationsthe product of 3 and the sum of r and 20 4 less than c raised to the 4th power Education com 16 twice the result of n decreased by 10 divide 17 by the sum of d and 9 Find worksheets games lessons more at education com resources 2007 2023 Education com
Algebra
Quadratic equationsObjective In this lesson you will learn how to find inverse functions graphically and algebraical a Find the inverse function off b graph both fand f on the same set of coordinate axes c descri relationship between the graphs of fand f d state the domain and range of fand f and verify th inverses 1 f x 2x 3
Algebra
Quadratic equationsThe expression x y xy x y5 2 xe equals where yd the exponent e of a is the exponent d of y is Question Help Message instructor Post to forum I
Algebra
Quadratic equationsGiven f x find the average rate of change of f x on the interval 10 10 h Your answer will be an expression involving h 1 x 5 Question Help Video Message instructor
Algebra
Quadratic equationsFind the average rate of change of f x 5x 2 on the interval 5 t Your answer will be an expression involving t
Algebra
Quadratic equations15 Which function matches the graph A g x x 5 3 8 g x x 31 5 C g x x 31 5 D g x x 5 3
Algebra
Quadratic equationsFind the tangent of ZX W 7 tan X 91 42 Write your answer as an integer or as a decimal rounded to the nearest hundredt L X
Algebra
Quadratic equationsGraph the equation y x 4 Let x 3 2 1 0 1 2 and 3 Find the following y values Then choose the correct graph of the equation to the right X 3 2 1 0 1 2 3 y T C O A O C Ay Ly OU OB O D Ay
Algebra
Quadratic equationsFind all values of x such that y 0 y 2 x 7 x 3 x 1 Select the correct choice below and if necessary fill in the answer box to complete your choice OA The value s of x for which y 0 is are Simplify your answer Use a comma to separate answers as needed B y 0 for all values of x C There are no values of x for which y 0
Algebra
Quadratic equationsSolve and check the linear equation 3 x 5 19 2 x 4 What is the solution Select the correct choice below and if necessary fill in the answer box to complete your choice OA The solution set is B The solution set is x x is a real number OC The solution set is
Algebra
Quadratic equationsFind seven ordered pairs to the equation y x 3 Then determine its graph X 3 2 1 0 1 2 3 Choose the graph that connects the points OA OC Ay OB O D Ay
Algebra
Quadratic equationsFind the greatest common factor of these two expressions 85 24w vu and 28w u
Algebra
Quadratic equationsFind the greatest common factor of these two expressions 18u7ws and 30m w x
Algebra
Quadratic equationsItranscript You are choosing between two health clubs Club A offers membership for a fee of 19 plus a monthly fee of 22 Club B offers membership for a fee of 22 plus a monthly fee of 21 After how many months will the total cost of each health club be the same What will be the total cost for each club In months the total cost of each health club will be the same
Algebra
Quadratic equationsItranscript Suppose the average yearly salary of an individual whose final degree is a master s is 34 thousand less than twice that of an individual whose final degree is a bachelor s Combined two people with each of these educational attainments earn 119 thousand Find the average yearly salary of an individual with each of these final degrees The average yearly salary for an individual whose final degree is a bachelor s is thousand and the average yearly salary for an individual whose final degree is a master s is thousand
Algebra
Quadratic equations4 Describe the error made in solving the equation W k 2 x 2 2x 4 x x 2 Theres no square root of a negative number so the equation has no solution
Algebra
Quadratic equationsWrite the Mayan numeral as a Hindu Arabic numeral 10 M 11 2 1 3 www 13 14 5 15 16 7 8 9 18 19
Algebra
Quadratic equationsWrite the Mayan numeral as a Hindu A 10 11 3 www 13 4 14 5 15 E 7 7 16 17 The equivalent Hindu Arabic numeral is 311 8 18 9 19
Algebra
Quadratic equationsWriting Variable Expressions Two Operations Directions Write a variable expression for each verbal expression the product of 5 and h then increase the result by 3 9 less than k then add a to the result the quotient of z and 8 then decrease the result by 10 the product of z and 3 then take away 9 from the result
Algebra
Quadratic equationsConsider the following quadratic equation x 2x 1 9 Step 2 of 2 Solve the quadratic equation by factoring Write your answer in reduced fraction form if necessary r your answer opens in new window 2 Points
Algebra
Quadratic equationsConsider the following quadratic equation x 2x 1 9 Step 1 of 2 Using the standard form ax bx c 0 of the given quadratic equation factor the left hand side of the equation into two linear factors Keypad Keyboard Shortcut
Algebra
Quadratic equationsWrite the number as a Babylonian numeral 185 Choose the correct answer below OA www OB VV WWW Oc ww www D WwWw wWwwWw Babyloni Hindu Ar
Algebra
Quadratic equationsSimplify the expression 417 000 x 0 0002 using scientific notation and express your answer in scientific notation Answer
Algebra
Quadratic equationsWrite the Hindu Babylonian numeral 14 Which of the following is the correct answer OA WWWWWW OB OC WWW OD WWW Hindu rabic
Algebra
Quadratic equationsAnswer parts a through c about the Mayan numeration system a The symbol represents the numeral b The symbol represents the numeral c The symbol represents the numeral 1
Algebra
Quadratic equationsTranslate into algebra Take 6000 and multiply it by 1 04 twice First translate using multiplication notation use for multiplication Next translate using exponent notation since exponents are just a shorthand for repeated multiplica use for exponentiation Evaluate either expression Round your answer to two decimal places Take 6000 and multiply it by 1 04 twice and you end up with
Algebra
Quadratic equations3 David and Alex notice a blue ice rock falling from an airplane at an altitude of 500 meters How long will it take the rock to reach the ground Hint Write a projectile equation to model the behavior
Algebra
Quadratic equationsVlor of the graph of each polynomial function a f x 5x 5x 2x 7 A b f x 3x 6x 4x 9 c f x x x 3 5x 2 Falls to the left and rises to the right O Rises to the left and falls to the right O Rises to the left and rises to the right Falls to the left and falls to the right O Falls to the left and rises to the right O Rises to the left and falls to the right O Rises to the left and rises to the right Falls to the left and falls to the right O Falls to the left and rises to the right Rises to the left and falls to the right Rises to the left and rises to the right O Falls to the left and falls to the right
Algebra
Quadratic equationsWrite the Mayan numeral as a Hindu Arabic numeral 10 11 N 2 12 3 www 13 4 14 5 15 I to 16 7 17 8 18 9 19
Algebra
Quadratic equationsThe numeral given below is in a base 5 numeration system Assume the numerals in this system and their equivalent Hindu Arabic numerals are as shown to the right Write the Hindu Arabic numeral equivalent to the numeral given below 005
Algebra
Quadratic equationsTwo mechanics worked on a car The first mechanic charged 45 per hour and the second mechanic charged 65 per hour The mechanics worked for a combined total of 25 hours and together they charged a total of 1225 How long did each mechanic work First mechanic hours Second mechanic hours X S
Algebra
Quadratic equationsA family has two cars The first car has a fuel efficiency of 30 miles per gallon of gas and the second has a fuel efficiency of 40 miles per gallon of gas During one particular week the two cars went a combined total of 1600 miles for a total gas consumption of 45 gallons How many gallons were consumed by each of the two cars that week First car gallons Second car gallons X
Algebra
Quadratic equations1 point Let an be the sequence defined by the recursive relation a nan 1 with initial term a 1 Use iteration to find a closed formula for the sequence Simplify your answer whenever possible an n n 1
Algebra
Quadratic equations1 50 1 00 50 Weight pounds Time months 1 2 3 4 5 6 7 8 9 10 6 Write a piecewise function to describe the graph f x Write a piecewise function to describe the graph f x
Algebra
Quadratic equationsGraph a piecewise function 1 2 if x 3 if 3 x 1 if 1 x 4 4 f x Graph a piecewise function 3x 1 if x 1 if x 1 f x x x 4 5 5 0 5 5 5
Algebra
Quadratic equationsEvaluating a Piecewise Function Graph a piecewise function 2x 1 if x 1 f x 3x 2 if x 1 Determine the piecewise function from the graph 4 3 2 1 987 5 8t St Find f 2 3 4 5 0 5 5
Algebra
Quadratic equations16 124 10 Valleys occur when you can look in the neighborhood of the point to the left and to the right and you are the lowest output Determine the intervals for which the function is increasing and decreasing Determine any relative extrema Increasing Decreasing Local Max Local Min at x at x
Algebra
Quadratic equationsThe functions f and g are defined as f x 6x 7 and g x 1 2x a Find the domain of f g f g f g fg ff and f g x and x b Find f g x f g x fg x ff x The domain of tt is 0 00 Type your answer in interval notation The domain of Type your answer in interval notation 1 x is 0 2 u 2 2 00 The domain of 9 Type your answer in interval notation 3 x is
Algebra
Quadratic equationsFor the function f x 8x 1 construct and simplify the difference quotient The difference quotient is f x h f x h
Algebra
Quadratic equationsQuestion 5 8 points Saved Listen Which of the following equalities is NOT correct OA 1 cm 10 2 m OB 103 g 1 kg C 10 3 mL 1 L OD 109 nm 1 m OE 1 L 10 dL