Solving Equations to Slope Intercept Form

What is the first step in solving a system by graphing?

• Write both linear equations in slope-intercept form

• Get x by itself

• Compare the slopes of both equations

• Write both equations in standard form

Tags

CCSS.8.EE.C.8B

This system has _____ solutions

• 0

• 1

• 2

• Infinitely many

Tags

CCSS.HSA.REI.C.7

When you graph the exact same equation twice,

• you will have no solution. 

• you will have one solution.

• you will have infinite solutions. 

• you will graph a giraffe. 

Tags

CCSS.8.EE.C.8B

y= -1x-3

• y= -1x-3

• y= -3x-1

• y=(-1/3)x-1

• y= -3x-3

write down the equation of the line if gradient = 3/4 y-intercept = -1/2

What is the
slope-intercept form
of the equation
-8x+2y=4

• none

• y=2-4x

• y=4x+2

• y=4x-8y

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write in slope intercept form
5x - 3y = -9

• y = (5/3)x - 3

• y = (5/3)x + 9

• y = (5/3)x + 3

• y = (3/5)x + 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the equation in slope-intercept form:
-3y + 5x = 12

• y = -4 + 5x

• y = -4 + 5/3x

• y = 4 - 5/3x

• y = 12 + 5x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is Slope-Intercept Form of linear equations?

• Ax+By=C

• y=mx+b

• y-y1=m(x-x1)

• m = (y2-y1)/(x2-x1)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope in y=mx+b

• y

• m

• x

• b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3