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Back to Exercise: Slope-intercept, point-slope, and standard forms

Exercises: Three Forms of a Linear Equation

Read each equation carefully before working. Some questions can be answered by reading the equation directly, with no algebra required.

Grade 10·18 problems·~30 min·Digital SAT Math·topic·sat-alg-lin2-forms
Work through problems with immediate feedback
A

Warm-Up: Review What You Know

These problems review what you already know about lines.

1

Which of these equations describes the same line as y=2x−6y = 2x - 6?

2

What is the slope of the line y=−4x+9y = -4x + 9?

B

Fluency Practice

Read each form directly. Most of these need no rearranging.

1

What is the yy-intercept of the line y=7x−15y = 7x - 15? Give the yy-value only.

2

The equation y+3=5(x−2)y + 3 = 5(x - 2) is in point-slope form. Which point does the line pass through?

3

What is the slope of the line 3x+4y=123x + 4y = 12?

4

What is the slope of the line 2x−5y=202x - 5y = 20?

5

Rewrite y−4=3(x−1)y - 4 = 3(x - 1) in slope-intercept form. What is the yy-intercept? Give the yy-value only.

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