Quadratic equations Questions and Answers

2 Evaluate the polynomial 4x x 8 for each of the given values a x 0 b x 5 c x 2 a The value when x 0 is Simplify your answer

Subtract the following polynomials 7y 6y 3y 7y 3y 7y 6y 3y 7y 3y Simplify your answer Type your answer in standard for

Add the polynomials 2 4n 2 47 7n 3 5n 6 7N 3 5n 6 Simplify your answer Type your answer in standa

20 1 point Mike wants to rent a car for his vacation The rental costs 125 a week plus 15 a mile How far can Mike travel in a week if he wants to spend at most 200 Mike can drive at most 500 miles Mike must drive more than 500 miles Mike can drive an unlimited amount of miles Mike can drive at most 5 miles 0000 Previous Ne

15 1 point In the equation below solve for y 2x 5y 12 O Y 2x 12 5 y 50x 2x y 2 12 5 y 10x 60 Previous

16 1 point Solve for b in the following equation 3x 3b 12 b 12 a b 4 a b 4 3x b 12 3x Previous

4 1 point This is a correct application of the zero product property If ab 8 then a 8 or b 8 True False Previous

5 1 point When solving this quadratic equation 5m 8m 1 you would get m 1 True False 4 11 5

1 point Does the parabola below have a maximum or minimum Give the value O min 2 max 2 max 3 min 3 3 2 2 3 5

1 point Factor completely x 16 O 000 x 4 x 4 x 2 x 2 prime x 2 x 2 x 4

b If the tank is half full approximately how many miles has Troy driven since last filling up his tank

Simplify the following expression 4 2 Type an integer or a simplified fraction

View Policies Current Attempt in Progress The consumption of a food in pounds per person decreased from 10 9 in 1993 to 5 8 in 2007 What was the annual average rate of change Round your answer to two decimal places The annual average rate of change was eTextbook and Media IF pounds per person per year

Your car s gas tank is full and you take a trip You travel 205 miles then you fill your gas tank up again and it takes 9 4 gallons If you designate your change in distance as 205 miles and your change in gallons as 9 4 what is the average rate of change of gasoline used measured in miles per gallon Round answer to one decimal place i miles per gallon

actor the polynomial completely w 8 w 8 w 5 w 8 w 8 w 8 w 5 w 8 11

Factor out the greatest common factor 3 4 2 15m n 36mn 6m n 3 15m n 36mn 3 4 2 6m n 3

Add the polynomials 3 P 1 P 4 7 P 0P 7 D 1 P 4 P 10P 7 3 8 Simplify your answer Type your answer in standard form Use integers or fractions for any numbers in the

Identify the terms in the following algebraic expression 5ab 9bc 4ac ac Which of the following are the terms of the expression O 5ab 9bc 4ac ac O 5ab 9bc 4ac ac O 5ab 9bc 4ac ac O 5ab 9bc 4ac ac

Factor out the greatest common factor 24p 28p 36p 24n 28n 36 Type your answer in factore

3 3 42 15m n 36mn 6m n 36mn 3 3 4 2

Factor out the greatest common factor 3x 18x 12x

Find the greatest common factor of the following list of terms 4 6 20x y 18x y and 14x y The greatest common factor is

Write an equivalent expression by factoring 3 2 s 5s 6s 30 3 n T L n

Factor the following expression by grouping 3w 4w 18w 24 H

Factor out the greatest common factor 9z 27z

Factor out the greatest common factor 2x 16x 12x

9x x 1 4 x 1 9x x 1 4 x 1 Type your answer in factored for

Find the difference 6x y 8x y 5xy2 2x y 3x y 4xy 2 6x y 8x y 5xy 2x y 3x y 4xy Simplify your answer

Perform the indicated operations 2a 4ab 2b 6a 5b 6b ab 2a 4ab 2b 6a 5b 6b ab H

Evaluate the polynomial 2m n 4mn n for the given values a m 4 and n 2 b m 1 and n 4 a Evaluate 2m n 4mn n for m 4 and n 2 2 2m n 4mn n

Add the polynomials using either horizontal or vertical addition 7z4 32 3z 8 6z4 22 42 5 724 32 3z 8 6z4 22 4z 5 Simplify your answer

A polynomial is said to be written in degree if it is written with the terms in descending order according general form standard form

Subtract the following polynomials 8a b 6a b 6ab 3a b 7a b 5ab 8a b 6a b 6ab 3a b 7a b 5ab

Find the difference 9x 7x 4x 7 2x 14x 5x 2 3 3 9x 7x 4x 7 2x 14x 5x 2 Simplify your answer

Simplify by adding the polynomials 2x 4x 5 6x 13x 11 2x 4x 5 6x 13x 11 Simpify your answer Do not factc

etermine whether the algebraic expression is a polynomial If it is a polynomial determine the deg 2 3 x 4 Select the correct choice below and if necessary fill in the answer boxes to complete your choice A The expression is a polynomial The coefficient is and the degree is Type integers or fractions B The expression is not a polynomial

Fill in the blank The coefficient of a monomial such as x or z is 0

1 point ke tosses a coin up in the air and lets it fall on the ground The equation that models the height in feet and time in seconds of the parabola is t 16t2 24t 6 What is the height of the coin when Jake tosses it 24 feet 6 feet 16 feet O feet

18 1 point The function given in the table is quadratic f x X 10 0 2 50 325 12 5 1 1 14 True False

15 1 point Convert the function from standard form to vertex form f x 2x 8x 1 Of x 2 x 2 7 Of x 2 x 2 3 Of x 2 x 2 1 Of x 2 x 4 15 Previous

14 1 point What is the range of the quadratic function graphed below 5 0 y 0 4 Oye 5 Oye y y 4 00 5

12 1 point The y intercept of the quadratic function is 0 4 y x 3 4 True False Previous

13 1 point What are the x intercept s of the quadratic function f x x 3 4 1 5 1 0 or 5 0 0 4 no x intercepts Previous

1 point What is the axis of symmetry of the quadratic function below 6 4 y 0 x 2 y 2 x 3 3 2 2 3 5 2

8 1 point Find the x intercepts of the quadratic function f x x 5x 14 7 0 2 0 7 0 2 0 0 14 O O none

2 1 point Find the vertex of the quadratic function g x x 6x 5 3 13 3 32 3 4 3 13 O Previous

1 point The axis of symmetry for this function is 8 f x x 16x 71 True False Previous

One study of grand jurles with the general population to see if jury panels were representative The results for age are shown below The investigators wanted to know if the 66 jurors were selected at random from the population of Alameda County Only persons over 21 and over are considered the county age distribution is known from Public Health Department data The study was published in the UCLA Law Review Count wide of jurors observed Age 21 40 42 41 50 23 51 60 16 over 60 19 Total 100 5 9 19 33 66 of jurors expected O E O E 2 E Explain if we have evidence that grand juries are selected at random for the population of Alameda County

1 point Find the x intercepts of the quadratic function g x 5x 9x 4 O 0 or 1 0 5 0 or 4 0 3 0 or 1 0 0 4 O O

1 1 point What is the y intercept of the quadratic function below 3 2 2 3 5 There is no y intercept 4 0 2 3 0 1 2