TEKS.MATH.9-12.II.C.1

Solve the proportion below:

• 42
• 6
• 2
• 28

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TEKS.MATH.9-12.II.C.1

2.     2x + 6 = 14

• x = 4
• x = 10
• x = -4
• x = 3

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TEKS.MATH.9-12.II.C.1

Buzz graphed two lines in order to find the solution to a given system of equations.
What is the solution?

• (-1, 4)
• (1, -4)
• (-4, 1)
• (4, -1)

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TEKS.MATH.9-12.II.C.1

Is x = 20 a solution to the inequality 3x - 5 > 60 

• yes
• no

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TEKS.MATH.9-12.II.C.1

Solve:

2x + 3y = 5

x + 3y = 7

• x = -2

  y = 3

• x = -2

  y = -3

• x = 2

  y = 3

• x = 2

  y = -3

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TEKS.MATH.9-12.II.C.1

How can you tell if a point is a solution to a system?

• It makes the first equation true.
• The (x,y) coordinates satisfy both equations
• It makes logical sense
• It makes neither equation negative

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TEKS.MATH.9-12.II.C.1

Cody’s Gym charges a $15 fee to join and $30 per month. Tyler’s Gym charges a $30 fee to join and $20 per month. Write an inequality that could be used to determine after how many months Tyler’s gym would be a better deal.

• 30 + 20x < 15 + 30x
• 30x + 20 < 15x + 30
• 30 + 20x > 15 + 30x
• 30x + 20 > 15x + 30

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TEKS.MATH.9-12.II.C.1

A limo driver needs to make more than $450 in one day.  He charges a rental fee of $375 and $0.85 per mile.  What inequality represents the number of miles, x, he would have to drive to reach his goal?

• 0.85x + 375 > 450
• 0.85x + 375 < 450
• 0.85 + 375x > 450
• 0.85 + 375x < 450

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TEKS.MATH.9-12.II.C.1

Solve for x.

• A

• B

• C

• D

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TEKS.MATH.9-12.II.C.1

Solve for x: $\frac{x}{5}=2$  

• x = 20

• x = 7

• x = 10

• x = 3

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TEKS.MATH.9-12.II.C.1