TEKS.MATH.7.3A

The product of (positive)(negative) is always negative.

• never true
• sometimes true
• always true

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TEKS.MATH.7.3A

-8(-6)

• 48
• -48
• -14
• 14

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TEKS.MATH.7.3A

-11 - (-4)

• 7
• -15
• -7
• 25

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TEKS.MATH.7.3A

Jeffery plans to rent a beach house for his sister's birthday and will use his savings to pay for it. The company charges a $25.00 cleaning fee plus $10.00 per hour for the house. If he rents the house for 6 hours, what will be the change in Jeffery's savings?

• -60
• -35
• -85
• -25

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TEKS.MATH.7.3A

-(-x + 2) - 4x

• -5x - 2
• -3x + 2
• -5x + 2
• -3x  - 2

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TEKS.MATH.7.3A

(6x^-1y³)³

• 216x^-3y⁹
• 18x^-3y⁹
• 36x²y⁶
• 6x⁴y⁶

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TEKS.MATH.7.3A

(2.9 x 10^-9) - (1.7 x 10^-9)

• 1.2 x 10^-18
• 1.2 x 10^-9
• 4.6 x 10^-9
• 1.335 x 10^-4

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TEKS.MATH.7.3A

120 x 70

• 84
• 840
• 8,400
• 84,000

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TEKS.MATH.7.3A

When you have a discount, do you add or subtract the discount from the total?

• Subtract
• Add

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TEKS.MATH.7.3A

Expand and Simplify
-4(2h + 3)

• -8h - 12
• -8h - 3
• -8h + 3
• -8h +12

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TEKS.MATH.7.3A