Quiz about Week 2.1 Spiral Review A1

Question 1

Which property justifies the statement below?

4c + 7d = 7d + 4c

Accepted Answer

Commutative Property of Addition

Answer

Identity Property of Addition

Answer

Symmetric Property

Answer

Reflexive Property

Question 2

Which expression represents a natural number?

Accepted Answer

$$-\left|1\right|+\left|-3\right|$$

Answer

$$\left|-6\right|-\left|-8\right|$$

Answer

$$-\left|11-15\right|$$

Answer

$$-\left|-7\right|-\left|16\right|$$

Question 3

Which graph represents the solution to $$-2x-3>-7$$ ?

Accepted Answer

Question 4

Find the solution to the equation below:

$$4+2p=-24$$

Accepted Answer

-14

Answer

2.5

Answer

3.5

Answer

-10

Question 5

Which number is not a natural number?

Accepted Answer

$$\pi-\pi$$

Answer

$$\left|-29\right|$$

Answer

$$\sqrt[]{361}$$

Answer

$$\frac{\sqrt[]{14}}{\sqrt[]{}14}$$

Question 6

Translate the statement "nine subtracted from the quotient of a number and 7 is a maximum of -16."

Accepted Answer

$$\frac{n}{7}-9\le-16$$

Answer

$$\frac{n}{7}-9\ge-16$$

Answer

$$9-\frac{n}{7}\le-16$$

Answer

$$9-\frac{n}{7}\ge-16$$

Question 7

Step to solve an equation are shown below.

Which property justifies Step 3?

Given: $$9=2x+15$$

Step 1: $$-6=2x$$

Step 2: $$-3=x$$

Step 3: $$x=-3$$

Accepted Answer

Symmetric

Answer

Commutative

Answer

Reflexive

Answer

Identity

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