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Laabri

Algebra 1 5-4 Guided Practice: Point-Slope Form

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Last updated almost 6 years ago
7 Nsɛmmisa
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F.IF.7.a
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1.

Solve It! The red line shows the altitude of a hot-air balloon during its linear descent. What is an equation of the line in slope-intercept form? Hint: What is the altitude of the balloon when it starts its descent at x = 0?

F.IF.4
F.LE.2
F.LE.5
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2.

Problem 1 Got It?

F.LE.2
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3.

Problem 2 Got It? What is the graph of the equation?

Be sure to include relevant graph detail: label axes, indicate units on both axes, and use arrows to represent end behavior, as appropriate.

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4.

Problem 3 Got It? In the last step of Problem 3, use the point (-2, -3) instead of (1, 4) to write an equation of the line.

F.LE.2
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A.SSE.2
F.BF.3
F.LE.2
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6.

Problem 4 Got It? The table shows the number of gallons of water y in a tank after x hours. The relationship is linear. What is an equation in point-slope form that models the data? What does the slope represent?

F.LE.2
F.LE.5
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7.

Problem 4 Got It? Reasoning: Rewrite the equation from the previous item in slope-intercept form. What does the y-intercept represent?

A.SSE.2
F.IF.4
F.LE.2
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5.

Problem 3 Got It? Reasoning: Rewrite the equations in Problem 3 and in the previous item in slope-intercept form. Compare the two rewritten equations. What can you conclude?