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

Which of the following situations could be descried by the equation y= -25x + 120

• There are 120 people in the football stadium, and 25 more are entering each hour.
• A plumber charges $25 for a house call and $120 per hour.
• A teacher has 120 students. Her third period has 25 students
• There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute

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

Which function is graphed? You can click the picture to zoom in!

• f(x) = 2|x - 4| - 3
• f(x) = ¹/₂ |x + 4| - 3
• f(x) = ¹/₂|x - 3| - 4
• f(x) = 2|x + 3| + 4

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

What does 'b" represent in y=mx+b

• y-intercept
• base
• nothing
• slope

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

TEKS.MATH.9-12.II.A

Which of the following represents the graph below?

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

If you have a slope of 1/2 that means you could...

• Go up 1 and right 2 units.

• Go right 1 and up 2 units.

• Go down 1 and left 2 units.

• Go left 2 and down 1.

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

What is the equation of the graph?

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

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

What was the height of the ball at 1 second?

• 3 feet

• 4 feet

• 5 feet

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

What does the slope mean in this context?

• People type at a speed of -1.4 words per minute

• For every year passed, your typing speed decreases by 1.4 word per minute

• The fastest person types at 117.8 words per minute

• For every word typed, -1.4 minutes go by

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

Which table and linear graph show a slope of m=2?

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

The equation  $y-\frac{1}{3}=5\left(x-9\right)$   is in what form?

• Point-Slope Form

• Slope-Intercept Form

• Standard Form

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