Review Part 1 (8th Grade)

Review Part 1 (8th Grade)

Chapter 1 Review

square roots, rational, and irrational numbers

Multiple Choice

 $\sqrt{5}$  

• rational 

• irrational 

Multiple Choice

-17.84

• rational

• irrational

Multiple Choice

 $\frac{3\pi}{15}$  

• rational 

• irrational 

Multiple Choice

 $0.\overline{42}$  

• rational 

• irrational 

Chapter 2 Review

Scientific Notation/Standard Notation

Multiple Choice

Write in Scientific Notation:

1,365,000

• $1.365\ \times10^6$

• $1.365\ \times10^{-6}$

• $1.365\ \times10^3$

• $1.365\ \times\ 10^7$

Multiple Choice

Write in standard notation:

 $5.3\ \times10^{-2}$  

• 5,300

• 0.53

• 530

• 0.053

Multiple Choice

Add:

 $\left(4.3\ \times10^2\right)+\left(3.5\ \times10^2\right)$  

•  $8.8\ \times10^2$  

•  $7.8\ \times10^4$  

•  $7.8\ \times10^2$  

•  $8.8\ \times10^4$  

Multiple Choice

Multiply:

 $\left(3.1\ \times10^3\right)\left(1.2\times10^4\right)$  

•  $4.3\ \times10^4$  

•  $3.72\ \times10^7$  

•  $4.3\ \times10^7$  

•  $3.72\ \times10^{12}$  

Multiple Choice

Divide:       $\frac{4\ \times10^5}{2\times10^3}$  

•  $6\ \times10^8$  

•  $1\ \times10^2$  

•  $2\ \times10^2$  

•  $8\ \times10^8$  

Chapter Three

Slope/Proportional/Non-proportional

Multiple Choice

Find the slope using the two points from the graph.

• $+\frac{1}{4}$

• $+\frac{2}{3}$

• $-\frac{1}{4}$

• $-\frac{3}{2}$

Multiple Choice

Find the slope from two points:

(-1, 2) and (4, 3)

• $+\frac{5}{4}$

• $-\frac{4}{7}$

• $+\frac{1}{5}$

• $-\frac{1}{3}$

Multiple Choice

Is this graph proportional or non-proportional?

• proportional

• non-proportional

Multiple Choice

Is the table representing a proportional or non-proportional relationship?

• proportional

• non-proportional

Multiple Choice

Is the equation y = -18x representing a proportional or non-proportional relationship?

• proportional

• non-proportional