Linear Equations

What is today?

• Monday
• Friday

What is the slope of this graph?

• 2
• -2
• -1/2
• 1/2

What is the equation for this line?

• y = x - 2
• y = x + 2
• y = 2x
• y = -x + 2

What is the equation of this line?

• 0
• undefined 
• y = -2
• x = -2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

Write the equation 4x-2y=10 in slope-intercept form.

• y=2x+5
• y=-4x-5
• y=2x-5
• y=4x-5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which of the following is in slope-intercept form?

• y=10x-7
• y-5=3(x-1)
• 5x-y=12
• 6x+2y-15=0

Write the equation of the line.
Slope = -4, passing through (-1, 5)

• y+5 = -4(x-1)
• y-5 = -4(x+1)
• y-5 = 4 (x-1)
• y = -4x - 9

Write the equation in point-slope form of the line that passes through the given point and has the given slope.
(4, -7); m = -1/4

• y +7 = -1/4(x - 4)
• y - 4 = -1/4(x + 7)
• y+ 7 = 4(x - 4)
• y - 7 = -1/4(x - 4)

What is the formula for point-slope form?

• y-y1=x-x1
• y=mx+b
• y-y1=m(x)
• y-y1=m(x-x1)

How do you change
y-4=3(x+3)
into slope-intercept form?

• y=23x-1/23
• y=3x+13
• y-7x=9 
• y=13-3x