Unit 1 Review

Solve 2y-5w if; y=3 and w=6

Solve x² - 6 if; x=-6

9-\frac{3}{4}x=57 then x=-88

Translate “five times the difference of a number and 3”

3x+5<14

The number -5 is a whole number.

|16|+|-12|

Solve 3x + 5 = 20

The number .75 is a rational number.

Distribute and combine like terms: 2(x-1)+5(x+9)

Identify the property that justifies the statement: If y = -5, then -5 =y

\frac{x}{-2}+11\le15

The number 0 is a natural number.

9-7x=16 then x=-1

Solve 3w²-5w+1 if; w=-2

Identify the smallest set in which the number belongs: 10

\frac{\left(36-3\left(4\right)\right)}{\left(15-9\div3\right)}= 2

Translate “seven less than a number squared”

Solve -x+3x if; x=-2

Translate: “the product of a number and 4”

Combine like terms: 5x-4-7x+14

Identify the property that justifies the statement: 12(x + 4) = 12x + 48

Find the perimeter of the triangle below.

Identify the smallest set in which the number belongs: -\sqrt{64}

Odd numbers are closed under addition.

Identify the smallest set in which the number belongs: \sqrt{15}

Translate “a number that is at least 90”

Distribute and combine like terms: 3(x+9)-(x-6) = 2x + 21

Solve: \frac{x-13}{-6}=3 then x=31

Natural numbers are closed under subtraction.

2³-5⋅(6+4)÷2 = -17

Identify the smallest set in which the number belongs: 3/4

Solve:\frac{2}{3}x-3=11

Identify the property that justifies the statement: 6 ⋅ 1/6 =1

Identify the property that justifies the statement: n²⋅0=0

|2+3(-4)|

Translate “a number is greater than -5”

3c(5a+2b-1) = 15ac + 6bc - 3c