MCA REVIEW-GAME 1

Words to Mathematical Expressions

100

The sum of a number and 7

x + 7

200

A number decreased by 12

x - 12

300

Twice a number

2x

400

The quotient of a number and 8

x/8

500

The product of a number and 12, decreased by 7, is 105

12x - 7 = 105

Factoring

100

Find all integer factors of 8

1, 2, 4, 8

200

Find all integer factors of 20

1, 2, 4, 5, 10, 20

300

Factor out the GCF. 2b - 6

2 (b - 3)

400

Factor out the GCF. 10z - 15z²

5z (2 - 3z)

500

Factor out the GCF. 7x³ + 35x⁴ - 14x⁵

7x³(1 + 5x - 2x²)

Integer Exponents

100

Evaluate. 6⁰

1

200

Apply the product rule of exponents. 3^{4 x} 3⁷

3¹¹

300

Write using only positive exponents. x^-3

1/x³

400

Apply the quotient rule for exponents. x^9/x⁷

x²

500

Apply the power rule of exponents. (x^-3)^-4

x¹²

Linear Equations in One Variable

100

Solve for x. 2x=10

x=5

200

Solve for x. 5x + 3 = 18

x=3

300

Solve for x. 4x + 4 = 20

x=4

400

Solve for x. 3x - 5 + 3x = 2 + 5x +3

x=10

500

Solve for x. 3(x - 2) + 2x = 9

x=3

Fractions, Decimals, and Percents

100

The fraction 90/150 in lowest terms

3/5

200

The fraction 9/5 as a decimal

1.8

300

7% as a decimal

0.07

400

Multiply 1/10 x 12/5. Answer in lowest terms

6/25

500

Add 4/15 +1/5. Answer in lowest terms

7/15