Math for the 8th Grade

Multiple Choice

Pick the correct sequence of steps for Order of Operations:

• Parentheses, Multiplication/Division, Addition/Subtraction, Exponents

• Multiplication/Division, Addition/Subtraction, Parentheses, Exponents

• Parentheses, Exponents Multiplication/Division, Addition/Subtraction

• Parentheses, Exponents Addition/Subtraction, Multiplication/Division

Multiple Choice

Evaluating exponents is the ___________ step when following order of operations.

• First

• Second

• Third

• Fourth

​Example:

Multiple Choice

Evaluate:  $$6\times15−10\div2$$  

• 40

• 60

• 85

​Example:

Fill in the Blanks

$8^2+6(14-12)$  

Fill in the Blanks

$4\cdot7-6^2\div3$  

​Example:

Multiple Choice

Evaluate f(-2) if f(x) = x+3

• -1

• 1

• 5

• -5

Multiple Choice

 Given f(x) =2x² + 5x - 17, find f(-1). 

• f(-1) = -20

• f(-1) = -24

Fill in the Blanks

• Distribute

• ​ Combine Like Terms

• ​ Cancel Variable on One Side

  • ​Use Inverse Operations

  • What you do to one side, you do to the other.

• ​Cancel Constants on the Other Side

Multiple Choice

• $$-\frac{1}{2}$$  

• $$\frac{1}{2}$$  

• $$-2$$  

• $$2$$  

Multiple Choice

• $$32$$  

• $$46$$  

• $$-6.4$$  

• $$-40.75$$  

Multiple Choice

• $$3.5$$  

• $$-1$$  

• $$-0.5$$  

• $$4$$  

Fill in the Blanks

Multiple Choice

• 3

• -9

• 0

• -15

Fill in the Blanks

Multiple Choice

• 6

• 2

• 30

• No Solution

Multiple Choice

• $$x=3$$  

• $$x=5$$  

• $$x=\frac{1}{3}$$  

• $$x=\frac{1}{5}$$  

Multiple Choice

•  -2

•  4

•  2

• -4 

Fill in the Blanks

Multiple Choice

• 24 s

• 17 s

• 13 s

• 37 s

Multiple Choice

• $$\frac{3}{5}$$  

• $$1\frac{2}{3}$$  

• $$7$$  

• $$15$$  

Fill in the Blanks

Multiple Choice

• $$x\ge5$$  

• $$x\ge45$$  

• $$x\le-5$$  

• $$x\le-45$$  

Multiple Choice

•   $$x<-9$$  

•   $$x>3$$  

•   $$x<-3$$  

•   $$x>7$$  

Multiple Choice

Multiple Choice

Multiple Choice

Multiple Choice

• All real numbers greater than or equal to 0 and less than or equal to 28

• All real numbers greater than or equal to 0 and less than or equal to 9

• All real numbers less than or equal to 28

• All real numbers less than or equal to 9

Multiple Choice

• $$-\frac{8}{5}$$  

• $$-\frac{5}{8}$$  

• $$\frac{8}{5}$$  

• $$\frac{5}{8}$$  

Multiple Choice

•   $$-19$$  

•   $$-\frac{12}{19}$$  

•   $$\frac{19}{12}$$  

•   $$12$$  

Multiple Choice

•   $$-2$$  

•   $$-\frac{1}{2}$$  

•   $$7$$  

•   $$2$$  

Multiple Choice

•   $$-2$$  

•   $$\frac{24}{5}$$  

•   $$\frac{5}{12}$$  

• $$12$$  

Multiple Choice

•    $$-\frac{1}{13}$$  

• $$\frac{5}{13}$$  

• $$-13$$  

• $$\frac{13}{5}$$  

Multiple Choice

•    10

•  17

•  -10

•  -17

Multiple Choice

•     $$\frac{7}{9}$$  

• $$-\frac{7}{9}$$  

• $$\frac{3}{4}$$  

• $$-\frac{3}{4}$$  

Multiple Choice

•     $8.75 per hour worked

•  $9.25 per hour worked

•  $10.00 per hour worked

•  $20.00 per hour worked

Multiple Choice

•     14 ft/yr

• 3 ft/yr

• 7 ft/yr

• 10 ft/yr

Fill in the Blanks

Multiple Choice

• $$-\frac{9}{2}$$  

• $$\frac{2}{9}$$  

• $$-\frac{2}{9}$$  

• $$\frac{9}{2}$$  

Fill in the Blanks

Multiple Choice

• -6.5°C/km

• -3.5°C/km

• -0.29°C/km

• -0.15°C/km

Multiple Choice

• $100 per deposit

• $50 per deposit

• $0.50 per deposit

• $2 per deposit

Multiple Choice

Which of these best represents the rate of change in the volume of the gas sample with respect to the temperature?

• $$\frac{7}{100}$$  

• $$\frac{1}{12}$$  

• $$12$$  

• $$22\frac{2}{5}$$  

Multiple Choice

• $$\frac{2}{9}$$  

• $$-\frac{9}{2}$$  

• $$\frac{9}{2}$$  

• $$-\frac{2}{9}$$