College Prep Math REVIEW for Final Exam

Simplify the following by reducing to lowest terms. 56/98

• 4/7

• 7/8

• 8/7

• 5/7

• x+2

• 1

When multiplying fractions, do you need to find a common denominator first?

• No

• Yes

Find the sum. 8/5 - 3/5 + 2/5

• 13/5

• 7/5

• 3/5

Add. 4/(x-2) + 5/(x-2)

• 9/(x-2)

• 8/(x-2)

• 1/(x-2)

Rational expressions (fractions) need to have common denominators in order to be added or subtracted.

• False

• True

At a university, 600 professors are responsible for teaching 60,000 students. What is the ratio of professors to students?

• 1:100

• 1:10

• Cannot be determined

Solve the following proportion: 8/12 = x/9

• x=6

• x=10

• x=18

3/5 written as a percent is 60%.

• True

• False

If a system of linear equations has no solution, what does this indicate about the two lines?

• Coincident lines

• Intersecting lines

• Parallel lines