Review Lines, Points, & Inequalities

What is the slope of the equation?

y = -2x - 1

• 2

• -2

• -2x

• -1

Find the slope and y - intercept

y = 1/2x - 1

• slope: 1/2 y-intercept: -1

• slope: 2 y-intercept: -1

• slope: 1/2x y-intercept: 1

• slope: 2 y-intercept: 5

Find the slope of the line.

Hint: rise/run

• 1/2

• -1/2

• 2

• 0

When you graph a line using slope-intercept form (y=mx+b), you graph the ___________ first and then use the ___________ to find the second point.

• origin; slope

• slope; y-intercept

• y-intercept; x-intercept

• y-intercept; slope

Which equation matches the graph?

• y = 2x

• y = 1/4 x + 2

• y = 1x + 4

• y = 2x - 3

Which of these is in slope-intercept form?

• y2 - y1/x2 - x1

• Ax + By = C

• y = mx + b

• a + b = c

What is the y-intercept.

• y-intercept is -3

• y-intercept -2

• y-intercept is 3

• y-intercept is -1

Describe the slope of the line.

• negative slope

• 0 slope

• positive slope

• undefined slope

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