CCSS.Math.Content.8.EE.C.7

-7 - 2

• -9
• 9
• 5
• -5

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CCSS.Math.Content.8.EE.C.7

What value of x makes this equation true?  0.6x-5=0.1x+7

• 4
• 14
• 24
• 6

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CCSS.Math.Content.8.EE.C.7

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

Tags

CCSS.Math.Content.8.EE.C.7

Solve.  x/3 + 5 = -1

• -2
• -18
• 18
• 12

Tags

CCSS.Math.Content.8.EE.C.7

How many solutions will the function have?
x² + 6x + 10 = 0

• Two Solutions
• One Solution
• No Real Solutions
• One Million Solutions!!!

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CCSS.Math.Content.8.EE.C.7

What is the solution of 9 + k = 18

• 18

• 9

• 8

• 7

Tags

CCSS.Math.Content.8.EE.C.7

3(d + 2) < -15

• d < -7

• d > -7

• d < -11

• d > 1

Tags

CCSS.Math.Content.8.EE.C.7

Solve the following quadratic equation...

x² + 3x + 2 = 0

• x = -1

  x = -2

• x = 1

  x = 2

• x = -1

  x = 2

• x = 1

  x = -2

Tags

CCSS.Math.Content.8.EE.C.7

Find all the solutions of

n²-13n+40 = 0

• 5 and 8

• 5 and -8

• -5 and 8

• 6 and 1

Tags

CCSS.Math.Content.8.EE.C.7

-9a - 1 < 26

• a < -3

• a < 3

• a > -3

• a > 3

Tags

CCSS.Math.Content.8.EE.C.7