Quiz about TEST REVIEW UNIT 5

Question 1

Given: $$y=1200\left(1+0.3\right)^t$$

Is this Growth or Decay?

Accepted Answer

Growth

Answer

Decay

Answer

Both

Answer

None

Question 2

Given: $$y=1200\left(1+0.3\right)^t$$

What is the INITIAL VALUE?

Accepted Answer

1200

Answer

1

Answer

1.3

Answer

0..3

Question 3

Given: $$y=1200\left(1+0.3\right)^t$$

What is the Rate of Growth or Rate of Decay?

Accepted Answer

0.3

Accepted Answer

30%

Answer

1.3

Answer

0.7

Question 4

Given: $$y=55\left(1-0.02\right)^t$$

Growth or Decay?

Accepted Answer

Decay

Answer

Growth

Answer

None

Answer

Both

Question 5

Given: $$y=55\left(1-0.02\right)^t$$

What is the INITIAL VALUE?

Accepted Answer

55

Answer

1

Answer

0.02

Answer

0.98

Question 6

Given: $$y=55\left(1-0.02\right)^t$$

What is the rate of growth or rate of decay?

Accepted Answer

0.02

Accepted Answer

2%

Answer

0.98

Answer

1.02

Question 7

The first year of a charity walk event had an attendance of 500. The attendance y increases by 5% each year.

Write an exponential growth function to represent

this situation.

Accepted Answer

$$y=500\left(1+0.05\right)^x$$

Accepted Answer

$$y=500\left(1.05\right)^x$$

Answer

$$y=500\left(1-0.05\right)^x$$

Answer

$$y=500\left(0.95\right)^x$$

Question 8

Your starting salary at a new company is $34,000 and it increase by 2.5% each year.

What will you salary be in 5 years? Round your

answer to the nearest dollar.

Accepted Answer

$38,062

Answer

$40,000

Answer

$36,500

Answer

$39,000

Question 9

If the expression $$\left(x^{\frac{2}{3}}\right)^{-6}$$ is written as $$x^n$$ , what is the value of n?

Accepted Answer

-4

Answer

-6

Answer

2/3

Answer

4

Question 10

A baseball tournament starts with 64 teams. After each round, half of the teams are eliminated. How many teams remain after 5 rounds?

Accepted Answer

2

Answer

4

Answer

1

Answer

8

Question 11

The population of Channelview can be modeled by the equation $$f\left(t\right)=3600\left(1.07\right)^t$$ where t is the number of years since the population collection began. Which statement is true?

Accepted Answer

The population was 3600 when the collection began.

Answer

The population grows at a rate of 107%

Answer

The populations will reach a maximum of 3600 people.

Answer

The population grew by 107 people since the collection began.

Question 12

Mr. Jasso deposited $5,000 into his savings account. The expression below represents the amount in dollars in the savings account after a certain period of time. What part of the expression represents the INTEREST RATE in his savings account?

$$5,000\left(1+0.06\right)^5$$

Accepted Answer

0.06

Answer

1

Answer

5,000

Answer

5

Question 13

An equilateral triangle with side length of 20 centimeters has an altitude of $$\sqrt[]{300}$$ centimeters. Which expression is equivalent to $$\sqrt[]{300}$$ ?

Accepted Answer

$$10\ \sqrt[]{3}$$

Answer

$$20\ \sqrt[]{3}$$

Answer

20

Answer

$$5\ \sqrt[]{20}$$

Question 14

What is the solution to the following systems of equations? (Desmos: find the interception point?

y = x + 2 (Ready to Copy and Paste)

-2x + 3y = 30 (Need to solve for y, then Copy and Paste)

Accepted Answer

(24, 26)

Answer

(5, 7)

Answer

(6, 8)

Answer

(3, 5)

Question 15

Solve for y

$$-3y<4x-3$$

Accepted Answer

$$y>-\frac{4}{3}x+1$$

Answer

$$y<-\frac{4}{3}x+1$$

Answer

$$y<\frac{4}{3}x-1$$

Answer

$$y>\frac{4}{3}x-1$$

Question 16

Which Expression is equivalent to $$4\ \sqrt[]{147}$$ ?

(Use Desmos: Copy and Paste, then MATCH)

Accepted Answer

28 $$\sqrt[]{3}$$

Answer

$$196\ \sqrt[]{3}$$

Answer

$$3\ \sqrt[]{7}$$

Answer

12 $$\sqrt[]{7}$$

Question 17

Domain are my ___ Values.

Accepted Answer

X

Answer

W

Answer

Y

Answer

Z

Question 18

Range are my ___ Values.

Accepted Answer

Y

Answer

W

Answer

X

Answer

Z

Question 19

< and > will have a ____ line.

Accepted Answer

Dotted

Answer

Solid

Answer

Both

Answer

None

Question 20

$$\le and\ \ge$$ will have a ____ line.

Accepted Answer

Solid

Answer

Dotted

Answer

Both

Answer

None

Question 21

Rate of Change is another word for ____.

Accepted Answer

Slope

Answer

y-intercept

Answer

Initial Value

Answer

X-intercept

Question 22

Initial Value is another word for_____?

Accepted Answer

y-intercept

Answer

x-intercept

Answer

Slope

Answer

Rate of Change

Question 23

Zero is another word for _____?

Accepted Answer

X-intercept

Answer

Y-intercept

Answer

Initial Value

Answer

Slope

Question 24

Parallel Lines have _____ Slope.

Accepted Answer

Same

Answer

Opposite Reciprocal (Flip and Change)

Answer

Positive

Answer

Negative

Question 25

Perpendicular Lines have _______ Slope

Accepted Answer

Opposite Reciprocal (Flip and Change)

Answer

Same

Answer

Positive

Answer

Negative

Question 26

Simplify:

$$\left(x^5\right)^4$$

Accepted Answer

$$x^{20}$$

Answer

$$x^{16}$$

Answer

$$x^9$$

Answer

$$x^{25}$$

Question 27

Simplify:

$$\frac{x^9}{x^4}$$

Accepted Answer

$$x^5$$

Answer

$$x^4$$

Answer

$$x^{36}$$

Answer

$$x^2$$

Question 28

Simplify:

$$\left(7x^3\right)^0$$

Accepted Answer

1

Answer

0

Answer

21

Answer

$$x^{10}$$

Question 29

Simplify:

$$\left(-7x^2\right)\left(4x^4\right)$$

Accepted Answer

$$-28x^6$$

Answer

$$-28x^2$$

Answer

$$-3x^8$$

Answer

$$-3x^6$$

Question 30

Simplify:

$$\frac{8x^2}{2x^5}$$

Accepted Answer

$$\frac{4}{x^3}$$

Answer

$$4x^3$$

Answer

$$6x^3$$

Answer

$$\frac{6}{x^3}$$

TEST REVIEW UNIT 5

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