Writing Linear Equations

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

Adrianna has $20 in her savings account. Each week she will add $5 to it. Which equation represents this situation?

• y=25x

• y=20x+5

• y=5x+20

• y=5x

Tags

CCSS.6.EE.C.9

Which situation can be represented by y=12x-4?
*Hint: Pay attention to your sign for your y-intercept*

• The number of eggs, y, in x dozen eggs for sale after 4 dozen eggs are sold

• The cost, y, of buying x movie tickets that sell for $8 each

• The cost, y, after a $4 discount, of buying x T-shirts that sell for $12 each

• The number of inches, y, in an x-foot-tall tree after cutting off 4 feet

Tags

CCSS.8.EE.B.5

Jacob collects hats.  He has 6 hats already, and he collects 2 hats a week.

• y = 2x + 6

• y = 6x + 2

• y = 2x - 6

• y = 6x - 2

Tags

CCSS.6.EE.C.9

y=mx+b

Mathematical Equivalence

ON

Tags

CCSS.HSF-LE.A.1B

The equation written in STANDARD form is (a)   .

• y = 1/2x + 2

• y - 3 = -5(x + 2)

• -7x + 2y = 9

• 3x + 2 = y

Write a linear equation in y=mx+b form.

Mathematical Equivalence

ON

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write an equation in standard form given the

x-intercept of 5 and a y-intercept of 5.

Mathematical Equivalence

ON

Write an equation in y=mx+b form.

Mathematical Equivalence

ON

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Match the following equations with their forms.

• Slope-intercept form

• 3x + 5y = 4

• Slope-intercept form

• -7x + 2y = 9

• Standard form

• y = 1/2x + 2

• Standard Form

• 3x + 2 = y

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2