Unit 1 Test Review

Order of Operations

100

Evaluate: 6+24÷6

10

200

Evaluate: -2(30+6)+15

-57

300

Evaluate: 36÷6−2(3)²

-12

400

Evaluate: −2⋅3+(6+24)÷6

-1

500

Which operation is done first in
−2⋅3+6+24÷6

Multiplication or Division (left to right)

Translate the Words

100

“A number decreased by 7”

n-7

200

“7 decreased by a number”

7-n

300

“2 less than the product of 7 and a number”

7n-2

400

“Divide the sum of a number and 4 by 12”

(n+4)/12

500

Explain why 2−7n is NOT the same as 7n−2.

Order matters in subtraction

Perimeter with Variables

100

What formula is usually used to find the perimeter of a rectangle?

P=2l+2w

200

A rectangle has side lengths 3x and 5. Write the perimeter.

6x+10

300

A rectangle has side lengths 3x+2 and x−1.

8x+2

400

Simplify:2(x+4) + 6(x²+5)

6x² + 2x + 38

500

Why must like terms be combined when finding perimeter?

to represent total length correctly

Sequences and Multiplying Exponents

100

Find the next term: 0,12,24,36,___

48

200

What is 5x⁷ times 7x

35x⁸

300

Constant difference: 

Constant ratio: 

Constant difference: Arithmetic

Constant ratio: Geometric

400

Simplify: 10x(2x² + 30x)

20x³ + 300x² 

500

Evaluate 10x(2x² + 30x) when x=2

1,360

Tables --> Rules --> Reasoning

100

In a table, when x=0, the output is y=1.
What does this tell you about the rule?

a. x-int.

b. y-int.

c. origin

d. it is 1 

b. y-int. (0,1)

200

If the rule is y=3x+1, which output matches x=5?

a. 13

b. 15

c. 16

d. 18

c. 16

300

Which proves the relationship is linear?

a. the graph curves

b. the y-values repeat

c. the change in y is constant

d. the points are far apart

c. the change in y is constant

400

If y = 3x+1 and y=31, what is x?

*You have to solve for x*

10

500

How can you check if a table and an equation match?

Substitute values and compare the outputs