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

What would be the first step to solve the equation?

• Add 11.
• Subtract 6.
• Multiply by -11.
• Divide by 6.

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

Solve:
2(3x - 6) = -12 + 6x

• x = 4
• No Solution
• Many Solutions
• x = (-6)

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

What is the goal when we are solving equations?

• Make the variable disapear
• Isolate the Variable
• Double the Variable
• Make the equation equal zero

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

Solve:
-4(-7-5x) > 188

• x < -32
• x > -32
• x < 8
• x > 8

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

Solve the equation:
2w=58

• w = 29
• w = 32
• w = 15
• w = 116

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

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions

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

5)  Megan is currently in 8^th grade and wants to begin saving money for college.  She wants to invest $2000 in a simple interest account that pays at a rate of 3.5%.  How many years will she have to save for the account to gain $490 in simple interest? 

• 5 years
• 6 years
• 7 years
• 8 years

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

|8 - 4x| = 16

• x = -2, x = -6
• x = 2 , x = 24
• x = -2, x = 6
• No Solution

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

Mona is ordering cups for her school.  Company A charges $3.50 for each cup and a one-time starter fee of $14.  Company B charges $0.50 for each trophy and a one-time starter fee of $22.  
Which inequality can be used to find x, the minimum number of cups that can be ordereed so that the total charge at Company A is less than the total charge at Company B?

• 3.5x + 14 < 0.5x + 22
• 3.5x + 14 > 0.5x + 22
• 3.5 + 14x < 0.5 + 22x
• 3.5 + 14x > 0.5 + 22x

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

True or False: Is x = 4 a solution to |x + 5| = -9

• True
• False

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