Complex numbers Questions and Answers

Calculate the center of conic section given by equation below 2x 4 9y 6 A 4 6 B 2 2 C 1 0 D 2 9

Which table represents the solutions of the equation 3 y x 42 Select one O a O c x O b 2 64 0 x 6 2 2 x 4 0 2 y 10 4 8 y 156 1 1 y 6 4 3

In 2014 a high school stage collapsed in Fullerton California when 250 students got on stage for the finale of a musical production Two dozen students were injured The stage could support a maximum of 11 800 pounds If the average weight of a student is assumed to be 142 pounds what is the maximum number of students who could safely be on the stage students

Suppose you buy land for 2 900 000 and spend 1 300 000 to develop the property You then divide the land into lots as follows Category Sale Price per Lot 15 Hilltop lots 15 Valley lots How much did each Hilltop lot cost you OA 168 000 OB 550 000 OC 112 000 O D 43 333 550 000 825 000

23 B 73 0 b 128 in

49 Height of a Tower The shadow of a vertical tower is 40 6 m long when the angle of elevation of the sun is 34 6 Find the height of the tower

Solve and graph the compound inequality 8 x 2 9

5 ka a a Find a A a a 9 a a B a 1 D a a

27 a 13 m c 22 m

9 cot 183 48

19 cot 90 4 72 9 cot 90

27 9 cot 0 1 257551e

A local real estate company has 5 real estate agents The number of houses that each agent sold last year is shown in the bar graph below Using this bar graph answer the questions Number of Houses Sold 12 10 8 6 4 2 Maria Ari Bob Agent a Which agent sold the most houses O Maria Nadya O Ari How many houses did that agent sell house s b How many more houses did Maria sell than Ari more house s O Bob Liz Nadya c How many agents from the company sold at least 12 houses agent s O Liz

13 csc 317 36

9 cot 90 4 72

Solve graphically x 2 2x 4 Graph y x 2 and 2 2x 4 using the graphing tool Click to larg

10 Graph the system of inequalities Show at least two points for each inequality Lesson 1 08 y 4x 8 and and 1 y 322x 10 8 6 4 2 4 6 8 2 O 10 8 10 6 4 2 4 6 8 10

6 Solve for x Lesson 1 06 1 6x 10 8 or 3x 6 12

Modern car company has come out with a new car model Market analysts predict that 4 300 cars will be sold in the first month and that sales will drop by 90 cars per month after that during the first year Write out the first five terms of the sequence and find the number of sold cars predicted for the twelfth month Find the total predicted number of sold cars for the first year a The first five terms of the sequence are Use a comma to separate answers

5 Solve for x Lesson 1 06 4 2x 6 12

1 What is the solution to the system of linear equations Lesson 1 02 6x y 14 2x y 2

Find the indicated 14 14 i 4 6 41 i 4 6 4 Simplify your answer

Solve the equation below by graphing Find all of the solutions Try it with your graphing calculator and also try to graph by hand z 51 x 3 X X

IV y 1 3 3 Suppose that the point x y is in the indicated quadrant Decide whether the given ratio is positive or negative Recall that r x y 2 Choose whether the given ratio is positive or negative O Negative O Positive points Points 0 of 1 Save

11 12 Identify the domain and range of each 9 y 2 x Domain 20

5 k a a a Find k a A a a C a a B a 1 D a a 6 6 h a 3a 4 Find h a A 3a 4 B 48a 4 C 12a 4 D 3a 6a 7

in software this gives you written proof fer to later to find your errors and correct will be able to see hints the ebook link s on for the problems on the quiz Be sure how well you understood the methods u rtant part of taking each quiz learning fr 1 04 Points MY NOTES DETAILS F x Find the derivative of the function F x 5x6 2x 4 SCAI ASK YOUR TEACHER

Zene decides to canoe 7 miles upstream on a river to a waterfall and then canoe back The total trip excluding the time spent at the waterfall takes 5 hours Zene knows she can canoe at an average speed of 6 miles per hour in still water What is the speed of the current The speed of the current is approximately miles per hour

Use the Pythagorean Theorem to determine the value of x and the measurements of all sides of the right triangle shown to the right Find the value of x x 10 24 X

Click here to watch the video The revenue R received by a video store renting x DVDs per day is given by the equation R 0 1x 80x a How many DVDs must be rented in order for revenue to be 12 000 per day b How many DVDs must be rented in order for revenue to be 16 000 per day a How many DVDs must be rented in order for the revenue to be 12 000 per day DVDs Use a comma to separate answers as needed b How many DVDs must be rented in order for revenue to be 16 000 per day DVDs Use a comma to separate answers as needed

Zene decides to canoe 2 miles upstream on a river to a waterfall and then canoe back The total trip excluding the time spent at the waterfall takes 3 hours Zene knows she can canoe at an average speed of 3 miles per hour in still water What is the speed of the current The speed of the current is approximately Round to the poorest tonth miles per hour

Solve 4 sin 5x 3 for the two smallest positive solutions A and B with A B A B

pply Logs to both sides of the equation with b 0 and use the properties of logs to get this into linear form y bx 2

Verify the rules of contraposition X a X B 70 notation as in Exercise 3 X BF a X a B

Suppose that the mean cranial capacity for men is 1090 cc cubic centimeters and that the standard deviation is 300 cc Assuming that men s cranial capacities are normally distributed complete the following statements a Approximately 1990 cc of men have cranial capacities between 190 cc and b Approximately 95 of men have cranial capacities between cc and cc

Evaluate by following the order of operations BEDMAS 4 6001 0 008 140 365

b b 1 2 b n 2 b n 1 1 for n 2 2 1 1 3 5 c 1 3 c n 10 c n 1 for n22 C

Given the function f x 9x 5 f 0 f 3 f 3 f x 4 f x I

do away with grades because they increase the chance of depression encorage competition and demotivates Students Supporting Paragraph 1 grades can increase the chance of depression and anxietige Evidence Students are afraid that they will lose the affection of others if they don t succeed Explain Students think their grades define them Link Supporting Paragraph 2 Point grades encourage unhealthy competition between students Evidence Students compare them selves to others brades can be used to rank students Explain Link Supporting Paragraph 3 Point graders de motivate students especially those who struggle Evidence Students that struggle give up easily Explain Students that struggle don t belive in them selfs Link So I think school should do away with grades because of the reasons above Conclusion

Study First Seen at Subject Health Care for the Homeless 001 002 003 1 1 2003 1 1 2005 1 1 2006 Vital Status at End of Follow up 12 31 08 Alive Dead Unknown Other Relevant Information Person Year s of Follow Up Never lost to follow up Died on 1 1 2006 Lost to follow up on 1 1 2007 3 2 I

Determine g x a g x for the following function Answer g x a g x g x x 5x

V 3 21 Step 1 of 2 Determine the domain and range for the relation in interval notation XA

Which expression is equal to 2i 9 6i O 18 12i O 12 18i O 18 12i O 12 18i

Which expression is equal to 5 2i 1 3i 0 4 i 06 5i O 4 3i O 4 5i

Evaluate each function 1 x 2 3 Find w 1 2 2 2 2 Find s

33 Find 4 4 g n n 1 Find 4 10

1 Evaluating Functions Evaluate cach function 1 x 23 Find w 1 33 0 Find 2 ID 2 4 THE THRE 2 2 2 Find 5 4 g n la 11 Find g 3

A lady worked 48 hr one week and earned a 442 paycheck She earns time and a half 1 5 times her regular hourly wage for the number of hours she works in excess of 40 What is her regular hourly wage Her regular hourly wage is Input only dollars and cents

Simplify the expression Assume all variables represent positive real numbers 6 72 24 6 72 24

Simplify the square root 5 44 6 44