Unit 2 Part 2 Practice: Rational Numbers and Decimals

• 5x - 5y

• 5x - 3y

• 5x + 3y

• x - 5y

• 8x + 2

• 8x - 2

• 8x + 6

• 8x - 6

• 1.4a

• 1.4

• 5.4a

• 5.4

Simplify the expression: 3(x + 4)

• 3x + 4

• 3x + 12

• 3x + 7

• 3x + 8

Simplify the expression: -2(5x - 6)

• -10x + 12

• 10x - 12

• -10x - 12

• 10x + 12

Simplify the expression: 0.125(16y + 8)

• 2y + 1

• 2y + 2

• 4y + 1

• 4y + 2

• 6x - 8

• 6x - 6

• 6x - 4

• 6x - 2

Simplify the expression: -\frac{3}{5}(20x - 10)

• -12x + 6

• -12x - 6

• 12x + 6

• 12x - 6

Simplify the expression: -0.2(50x + 20)

• -10x - 4

• -10x + 4

• 10x - 4

• 10x + 4

Skill 3: Interpret Authentic Fraction and Decimal Problems 18) Jimmy made a mistake when simplifying the expression below. Circle his error and then explain what he did incorrectly. -3/5 (10x + 30) What is the correct answer?

• -6x - 18

• -6x + 18

• 6x - 18

• 6x + 18