Math Academy

Simplify:

8 + [ (4 + 5) ⋅ 2 ]

Use PEMDAS

• 18

• 48

• 26

• 34

Which PEMDAS math sentence says the following:

The difference of 8 and 7, multiplied by 4 (Be careful)!

• (8 ⋅ 7) - 4

• 8 - 7 ⋅ 4

• 8 - (7 ⋅ 4)

• 4(8 - 7)

Which PEMDAS math sentence says the following:

The product of 2 and 6 subtracted from 20. (Careful)...

• 2 ⋅ 6 - 20

• 6 - 2 ⋅ 20

• 20 - (2 ⋅ 6)

• (20 - 2) ⋅ 6

What does the E stand for in PEMDAS?

• Explanation 
• expression 
• exponents 
• eggs

What does the (p) mean in PEMDAS

• Parentheses 
• Exponents 
• Multiplication 
• Addition 

Solve for a

• a= -2

• a= -7.5

• a= 2

• a= 6

Solve for a

• a= -2

• a= -6

• a= 3

• a= 15

Factor Completely:
x² - 36

• (x + 9)(x - 4)
• (x - 6)(x - 6)
• (x - 9)(x + 4)
• (x + 6)(x - 6)

Factor:
x² - 49

• (x + 7)(x - 7)
• (x + 7)²
• (x - 7)²
• (x+7)(x-1)

The vertical number line is called the _______.

• x-axis

• y-axis

• ordered pair

• quadrant