TEKS.MATH.7.11A

solve for y

• 7
• 6.3
• 2.5
• 9

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TEKS.MATH.7.11A

Find the Error
What error did the student make when solving the equation:
1/5x + 6 = 3/5x + 5
1x + 6 = 3x + 5
-2x + 6 = 5
-2x = -1
x = 1/2

• The student found an incorrect common denominator
• The student did not multiply all terms by the common denominator
• The student did not use opposite operations appropriately
• The student did not correctly eliminate the variable from one side of the equation

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TEKS.MATH.7.11A

What is the first step in solving the equation?

• Add 4 to each side
• Subtract 4 from each side
• Subtract 2y from each side
• Divide each side by 2y

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TEKS.MATH.7.11A

-5k + 10 = -2k - 14

• 8
• -8
• 2
• -2

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TEKS.MATH.7.11A

Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50.

• y = 8.5 + 25.5
• y = 8.5x + 25.5
• y = 8.5 + 25.5x
• y = 8.5x + 25.5x

Tags

TEKS.MATH.8.5I

TEKS.MATH.7.4D

TEKS.MATH.7.11A

A bag of candy was shared equally among 4 friends.  Each friend gave away 7 pieces of candy.  They each ended up with 8 pieces of candy.  Write an equation to find how much candy was in the bag at the beginning.

• c/7 - 4 = 8
• c/4 + 7 = 8
• 4/c - 7 = 8
• c/4 - 7 = 8

Tags

TEKS.MATH.7.11A

Jo is thinking of a number. Four less than 9 times the number is 176. How could I find Jo's number?

• 9x - 4 = 176
• 4 - 9x = 176
• 9x + 4 = 176
• 4x + 9 = 176

Tags

TEKS.MATH.7.11A

9f - 9 = 18

• f = 3
• f = -3
• f = 8
• f = -8

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TEKS.MATH.7.11A

4(x + 1) = -16

• -3
• -5
• -63
• -65

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TEKS.MATH.7.11A

Find the value of x.

• 15
• 16
• 18
• 19

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TEKS.MATH.7.11A