Unit 2 Test Review

Presentation

•

Mathematics

•

8th - 10th Grade

•

Hard

•

CCSS

8.EE.B.5, 8.EE.B.6, 8.F.B.4

+12

Standards-aligned

Nicole Soloff

Used 7+ times

FREE Resource

1 Slide • 37 Questions

Unit 2 Test Review

Multiple Choice

16c³d³

Multiple Choice

(5x²y²)³

125x⁶y⁶

15x⁶y⁶

8x⁵y⁵

15x⁵y⁵

Multiple Choice

$\frac{27x^{15}z^3}{y^6}$

$\frac{9x^{15}z^3}{y^6}$

$27x^8yz^4$

$\frac{27x^8z^4}{y}$

Multiple Choice

What is 10⁰equivalent to?

100

Multiple Choice

Simplify. Express your answer as a single term using exponents.

7^{-6}\ \times7^2\ \times7^{-4}

$7^{-8}$

$7^{12}$

$7^{48}$

$343^{48}$

Multiple Choice

Simplify.

2x^-5y⁷⋅3x^-4y^-2

$6x^9y^9$

$\frac{6y^5}{x^9}$

$\frac{6}{x^9y^5}$

$\frac{6}{x^9y^9}$

Multiple Choice

What pet does Ms. Maresca have at home?

horse

guinea pig

dog

cat

Multiple Choice

The population of Winnemucca, Nevada, can be modeled by P=6191(1.04)^t where t is the number of years since 1990. What percent did the population increase each year?

0.04%

I don't know

1.04%

Multiple Choice

The value of a car purchased for $50,000 decreases at a rate of 12% per year. The equation modeled by this situation is

y=50000\left(.88\right)^x

What does 50000 represent?

percent of change

initial price of the car

final price of the car

common ratio

Multiple Choice

This is an example of a

continuous exponential function

discrete exponential function

continuous linear function

Multiple Choice

Discrete or Continuous?

Discrete

Continuous

Multiple Choice

The number of dogs Mrs. Jacobsen has would be considered

continuous data

discrete data

neither

Multiple Choice

The grocery store sells cantaloupes for $4.50 per pound. Is the function continuous or discrete? Explain.

continuous; you cannot have a fraction of a pound when you weigh cantaloupes

continuous; you can have a fraction of a pound when you weigh cantaloupes

discrete; you cannot have a fraction of a pound when you weigh cantaloupes

discrete; you can have a fraction of a pound when you weigh cantaloupes

Multiple Choice

Which of the following is an example of a continuous function?

number of people in your class

number of questions on a test

outdoor temperature at noon

number of laptops in your house

Multiple Choice

What pet does Ms. Connelly have at home?

snake

cat

dog

hamster

Multiple Choice

In the equation y=mx+b,
what does m represent?

Nothing in particular

The y-intercept

The x-intercept

Slope

Multiple Choice

In the equation y=mx+b,

what does b represent?

nothing in particular

slope

x - intercept

y - intercept

Multiple Choice

Name the slope

-1x

-1

Multiple Choice

What is the y-intercept of the line with the equation
$y\ =\ -2x\ +\ 4$

$-2$

$2$

$4$

$-4$

Multiple Choice

Name the y intercept

-1

-1x

-7

Multiple Choice

What is the slope of the line with the equation
$y\ =\ -\frac{3}{2}x\ +\ 4$

$-\frac{3}{2}$

$\frac{3}{2}$

$4$

$-4$

Multiple Choice

Write a linear equation in slope intercept form of a line with a slope of 12 and y intercept of 10.

y=12x-10

y=10x+12

y=12x+10

x=10x-12

Multiple Choice

What is the equation of this line?

y = 2x +2

y = 2x -2

y = -x + 2

Cannot be Determined

Multiple Choice

Write the equation of the line.

y = -1/3x - 2

y = 1/3x - 2

y = 3x - 2

y = -3x - 2

Multiple Choice

Write an equation in point slope form of equation of line
point (7,10) and has a slope of -2?

y\ -\ y_1\ =\ m\left(x\ -x_1\right)

y-10 = -2(x+7)

y-10 = -2(x-7)

y+10 = -2(x+10)

y -10 = -2x+2

Multiple Choice

Write equation of a line in point slope form that passes through (3,8) and has a slope of 5?

y\ -\ y_1\ =\ m\left(x\ -x_1\right)

y-8=5(x-3)

y=5x+8

y-3=5(x-8)

y-y₁₌ m(x-x₁₎

Multiple Choice

Write the slope-intercept form of the equation with the given point and slope. m = 5 through ( - 1, - 3 )

y\ -\ y_1\ =\ m\left(x\ -x_1\right)

y = 5x + 2

y = - 5x - 5

y = - 5x + 2

y = 2x - 5

Multiple Choice

Write the slope-intercept form of the equation with the given point and slope. ( - 1,4 ) and m = - 3

y = x - 3

y = - 3x + 1

y = x + 2

y= - 3x + 4

Multiple Choice

What is the equation of the line that goes through the points ( 3, - 1 ) and ( 2, - 4 )?

y = 3x - 4

y = - 3x + 8

y = 3x - 1

y = 3x - 10

Multiple Choice

Write the equation of the line that passes through the points ( 0, - 5 ) and ( 4, 3 )

y = 2x - 5

y = 1/2x - 5

y = 2x + 5

y = 1/2x + 5

Multiple Choice

Solve this riddle.

Spots

Letters

Legs

Feet

Multiple Choice

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage. If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

C = 15 + 0.20x

C =15 (0.20x)

C = 15 + x + 0.20

C = 0.20 + 15x

Multiple Choice

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat. Write an equation for C, the total cost, to rent the boat for h hours.

h = 2C + 15

C = 15h + 2

h = 15C + 2

C = 2h + 15

Multiple Choice

Which of the following are ways to find the rate of change?

change in y over change in x

rise over run

subtract y coordinates over subtract x coordinates

all of the above

Multiple Choice

The average movie ticket prices in the US are represented in a table and a graph. Based on this information, what value is closest to the average rate of change for 1990 - 2010?

$0.03

$0.18

$1.48

$3.67

Multiple Choice

What was the average rate of change in the number of fish caught per week between weeks 2 and 5?

about 13 fish per week

about 18 fish per week

about 32 fish per week

about 40 fish per week

Multiple Choice

What is the average rate of change of milk prices between 1976 and 1993?

0.06

0.05

0.04

0.03

Unit 2 Test Review

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