Ch 5 - Writing Linear Equations

Write the equation of a line when:

Slope is 2 and line passes through point (3, 1)

• y = 2x + 3

• y = 2x - 5

• y = 3x + 1

• y = 1x + 2

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

What is the equation of this graphed line?

• y = 2x + 1

• Y = 1x + 2

• y = 2x - 1

• y = 1x - 2

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

CCSS.HSA.REI.D.10

Write the equation of a line when:

Slope = -2/3 and Y-Intercept = 4

• y = -2x + 4

• y = -2/3x + 4

• y = 4x - 2/3

• y = -3x - 2

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

What is the first step to writing an equation when given two points that the line passes through?

• Find the y-intercept

• Find the line’s slope.

• Label the X and Y intercepts

• Pray that you will guess the right answer.

What is the equation of a line that passes through points

(3, -2) and (6, 4)

• y = 6x + 3

• y = 3x - 2

• y = 2x - 8

• y = 2x + 4

What is the equation of the graphed line? (Watch out for the sign of the slope!)

• y = 2x + 4

• y = 2x - 4

• y = -2x - 4

• y = -2x + 4

What is the formula for figuring out slope (only)?

• y = mx + b

• Change in x's over change in y's

• y₂ - y₁ over x₂ - x₁

• y am I n this class ?

Tags

CCSS.8.EE.B.5

Which linear equation represents the relationship between x and y?

• y= 5x+5

• y=1/5x+5

• y=15x+5

• y=10x+5

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

• y=15x
• y=15x+80
• y=x+15
• y=80x+15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation best represents the line on the graph?

• y= 1/2x
• y= -1/2x
• y = 2x
• y = -2x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2