Advisory Review 2

Which of the following is NOT a perfect square?

• 1
• 4
• 100
• 8

In between what two integers is the square root of 44?

• 3 and 4
• 4 and 5
• 5 and 6
• 6 and 7

The area of a square is 36 cm².  What is the length of one side?

• 6 cm
• 24 cm
• 9 cm
• 9 cm

7.82 x 10^-6 is an example of scientific notation. The exponent of -6 tells you your number will be very ________.

• Large
• Small
• Basic

Change from standard form to scientific notation: 12,000,000

• 12.0  x  10⁷
• 0.12  x  10⁷
• 1.2  x  10⁶
• 1.2  x  10⁷

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

20 = 2 - a

• a= 18
• a= -18
• a= -10
• a= 12

5( 2x + 3) = ?

• 10x + 3
• 7x + 8
• 10x + 15
• 25x

How many terms does this expression have?
3x + 5y - 17 - 2y + x

• 3
• -17
• 5
• 1

Simplify by combining like terms.
m + 9 - 4m

• 5m
• m + 5m
• -3m + 9
• 4m