TEKS.MATH.7.3A

r = -12 + 2

• r = 14
•  r = -14
• r = 10
• r = -10

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TEKS.MATH.7.3A

What operation are you performing to find the DIFFERENCE?

• Addition
• Subtraction
• Multiplication
• Division

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TEKS.MATH.7.3A

The temperature at 6:00 was 9 degrees below zero.  The temperature dropped to 11 degrees below zero at 8:00. What is the difference between temperatures? 

• 18 degrees
• 20 degrees
• 2 degrees
• 0 degrees

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TEKS.MATH.7.3A

15.001 + 1.02

• 16.21
• 16.03
• 16.003
• 16.021

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TEKS.MATH.7.3A

-3 x (-12) =

• 36

• 4

• -4

• -15

• None of these

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TEKS.MATH.7.3A

A submarine is 500 feet below sea level. A hot air balloon is 8,550 feet above sea level. The submarine fires a missile at the hot air balloon. How far will the missile have to travel from the submarine to the hot air balloon?

• 9,050 feet

• 8,530 feet

• 8,050 feet

• 9,160 feet

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TEKS.MATH.7.3A

( - 5x )( - 6x )

• 30x²
• - 30x²
• 30x
• - 30x

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TEKS.MATH.7.3A

-6 + 21

• -27

• 15

• 127

• 27

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TEKS.MATH.7.3A

 $-5+3$  

•  $-8$  

•  $8$  

•  $-2$  

•  $2$  

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TEKS.MATH.7.3A

Subtract

(x³-x²+4) - (3x³-2x²+3)

• -2x³-3x²+7

• -2x³+x²+1

• 2x³-3x³-1

• 4x³-3x²+7

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TEKS.MATH.7.3A