Linear Equations in a Graph

What is the slope-intercept form of a linear equation?

• y = mx + b

• y = mx^2 + b

• y = ax + b

• y = mx - b

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CCSS.HSS.ID.C.7

How do you find the x-intercept of a linear equation?

• Set x equal to zero and solve for y.

• Set y equal to one and solve for x.

• Set x equal to one and solve for y.

• Set y equal to zero and solve for x.

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CCSS.HSA.REI.B.3

What is the y-intercept of a linear equation?

• The y-intercept is the value of x when y is equal to 0.

• The y-intercept is the value of y when x is equal to 0.

• The y-intercept is the slope of the linear equation.

• The y-intercept is the point where the linear equation intersects the x-axis.

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CCSS.HSS.ID.C.7

How do you graph a linear equation?

• Use a compass to draw a circle.

• Connect three points with a curved line.

• Plot one point and draw a curved line through it.

• Plot two points and connect them with a straight line.

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CCSS.HSA.CED.A.2

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In the slope-intercept form, what does the slope represent?

• rate of change or steepness

• y-intercept

• x-coordinate

• area under the curve

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CCSS.HSF.LE.B.5

CCSS.HSS.ID.C.7

What does the x-intercept represent in a graph of a linear equation?

• The x-intercept represents the point where the graph crosses the y-axis.

• The x-intercept represents the slope of the linear equation.

• The x-intercept represents the point where the graph crosses the x-axis.

• The x-intercept represents the point where the graph crosses the z-axis.

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CCSS.HSA.REI.D.10

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What does the y-intercept represent in a graph of a linear equation?

• Intersection point with the x-axis

• Intersection point with the y-axis

• Starting point of the graph

• Slope of the line

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CCSS.HSF.IF.B.4

CCSS.HSS.ID.C.7

What is the formula to find the slope of a linear equation?

• (x2 - x1)/(y2 - y1)

• (y1 - y2)/(x1 - x2)

• (y2 - y1)/(x2 - x1)

• (x1 - x2)/(y1 - y2)

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CCSS.HSG.GPE.B.5

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How do you determine if two linear equations are parallel?

• The slopes of the two linear equations are different.

• The slopes of the two linear equations are equal.

• The x-intercepts of the two linear equations are equal.

• The y-intercepts of the two linear equations are equal.

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CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

How do you determine if two linear equations are perpendicular?

• The product of the slopes of two linear equations is 1.

• The sum of the slopes of two linear equations is -1.

• The sum of the slopes of two linear equations is 0.

• The product of the slopes of two linear equations is -1.

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CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5