Which method eliminates one of the variables in the system of equations?

Multiply the equation B by 3 and add the result to equation A

Multiply equation A by -1/3 and ad the result to equation B

Multiply equation A by 2 and equation B by -6 and add the results together.

Multiply equation B by 5 and equation A by 4 and add the results together.

Which relation is not a function?

{(−1, 6), (1, 3), (2, 5), (1, 7)}

{(1, 5), (2, 6), (3, 6), (4, 7)}

{(4, 7), (2, 1), (−3, 6), (3, 4)}

{(−1, 2), (0, 5), (5, 0), (2, −1)}

Which of the following statements are true? Select all that apply.

The function is increasing on the interval 0 ≤ x ≤ 5

The rate of change is constant on the interval 25 ≤ x ≤ 30

The function is positive on the interval 5 ≤ x < 10

The function is decreasing on the interval x > 5

Which represents exponential growth?

A species of fly doubles its population every month during the summer.

A water tank is filled at a rate of 2 gallons/minute.

A vine grows 6 inches every week.

A car increases its distance from a garage as it travels at a constant speed of 25 miles per hour.

The function $$y=5000\left(.98\right)^x$$ represents the value y of one account that was left inactive for a period of x years. What is the y-intercept of this equation and what does it represent?

5000, the amount of money in they account initially

.98, the percent of money in the account initially

.98, the percent of money in the account after x years

5000, the amount of money in the account after x years

Justify the solution to the following system of equations. $$g\left(x\right)=7x-7$$ $$f\left(x\right)=x^2+3$$

(2, 7); because the graphs intersect at the point where x = 2

No solution; because they are different types of functions

No solution; because the functions never intersect

(7, 3); because the graphs intersect at the point where x = 3

The table below shows the cost of pizza based off the number of toppings. Which statements are true?

A function to represent the cost of the pizza with n toppings is $$C\left(n\right)=1.50x+10.50.$$

The cost of the pizza can be represented by a linear function because it has a constant rate of change.

The cost can be represented by an exponential function because it has a common factor.

A function to represent the cost of the pizza with n toppings is $$C\left(n\right)=1.50x+12.$$

A function to represent the cost of the pizza with n toppings is $$C\left(n\right)=12\cdot1.125^n.$$

Algebra Benchmark Review

Authored by Barbara White

Mathematics

9th Grade

CCSS covered

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40 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which expression results in a rational number?

L + M

M + N

N + P

P + L

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which expression can be used to change 75 kilometers per hour to meters per minute?

Tags

CCSS.2.MD.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Patricia is trying to compare the average rainfall of New York to that of Arizona. A comparison between these two states for the months of July through September would be best measured in

feet per hour

inches per hour

inches per month

feet per month

Tags

CCSS.8.EE.A.4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kendal bought x boxes of cookies to bring to a party. Each box contains 12 cookies. She decides to keep two boxes for herself. She brings 60 cookies to the party. Which equation can be used to find the number of boxes, x, Kendal bought?

Tags

CCSS.HSA.CED.A.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a baseball game, the ball traveled 350.7 feet in 4.2 seconds. What was the average speed of the ball, in feet per second?

83.5

177.5

354.9

1472.9

Tags

CCSS.HSF-LE.A.1B

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The graph was created by an employee at a gas station. Which statement can be justified using the graph?

If 10 gallons of gas was purchased, $35 was paid.

For every gallon of gas purchased, $3.75 was paid.

For every 2 gallons of gas purchased, $5.00 was paid.

If zero gallons of gas were purchased, zero miles were driven.

Tags

CCSS.HSF.IF.B.4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following illustrates the graph of 2x - y = 4?

Line A

Line B

Line C

None of these

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Algebra Benchmark Review

Which expression results in a rational number?

Which expression can be used to change 75 kilometers per hour to meters per minute?

Patricia is trying to compare the average rainfall of New York to that of Arizona. A comparison between these two states for the months of July through September would be best measured in

Kendal bought x boxes of cookies to bring to a party. Each box contains 12 cookies. She decides to keep two boxes for herself. She brings 60 cookies to the party. Which equation can be used to find the number of boxes, x, Kendal bought?

In a baseball game, the ball traveled 350.7 feet in 4.2 seconds. What was the average speed of the ball, in feet per second?

The graph was created by an employee at a gas station. Which statement can be justified using the graph?

Which of the following illustrates the graph of 2x - y = 4?

Mo's farm stand sold a total of 165 pounds of apples and peaches. She sold apples for $1.75 per pound and peaches for $2.50 per pound. If she made $337.50, how many pounds of peaches did she sell?

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