Graphing Lines and Finding Points of Intersection

What is the first step in graphing two lines to find their intersection?

• Identify the y-intercept

• Identify the equation

• Identify the x-intercept

• Identify the slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

In the equation y = mx + b, what does 'm' represent?

• The y-intercept

• The constant term

• The slope

• The x-intercept

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the y-intercept in the equation y = -2x + 12?

• -12

• -2

• 12

• 0

Tags

CCSS.3.NF.A.3C

How can you convert a whole number into a fraction?

• Divide it by 1

• Subtract 1 from it

• Multiply it by 1

• Add 1 to it

Tags

CCSS.8.EE.B.5

What is the slope of the line represented by the equation y = 3/2x - 9?

• 3/2

• -9

• 2

• 3

Tags

CCSS.HSF-IF.C.7A

Where does the line y = 3/2x - 9 intersect the y-axis?

• At y = 0

• At y = 2

• At y = -9

• At y = 3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the point of intersection for the lines y = -2x + 12 and y = 3/2x - 9?

• (6, 6)

• (0, 6)

• (0, 0)

• (6, 0)

Tags

CCSS.HSA.REI.A.1

What should you do if you find an error in your calculations?

• Start over

• Change the equation

• Recalculate and correct it

• Ignore it

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When verifying the point of intersection algebraically, what values do you substitute into the equations?

• The x and y values of the intersection point

• The slope and y-intercept

• The slope and x-intercept

• The x-intercept and y-intercept

What is the result when you substitute x = 6 into the equation y = -2x + 12?

• -12

• 6

• 12

• 0