Pre-Algebra Pre-Semester Exam Review

 $-5^2$  

• -25

• 25

• 5

• -5

Tags

CCSS.6.EE.A.1

Solve the equation:
3x = 12

• 4

• 8

• 12

• -4

Evaluate the expression is x = 4

5x + 6

• 20

• 26

• 15

• 120

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

How would you write 0.0005 in scientific notation?

• 50 x 10⁵
• 5 x 10^-4 
• 5 x 10³
• .5 x 10³

Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.

• True
• False

Tags

CCSS.8.EE.A.3

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Tags

CCSS.6.EE.B.7

How would you solve the equation?
5x = 30

• Subtract 5 from both sides
• Subtract 30 from both sides
• Multiply both sides by 5
• Divide both sides by 5

Tags

CCSS.6.EE.B.7

When solving an equation for an unknown variable we use...

• guessing.

• inverse operations.

• always multiply.

• plug in two.

Tags

CCSS.HSA.REI.A.1

What is the solution of 25 + k = 18

• 18

• -7

• 43

• 7

Tags

CCSS.6.EE.B.7