Equation of a Line Word Problem

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5

• y=1/5x+5

• y=15x+5

• y=10x+5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation matches the table?

• y = 3x + 9

• y = x + 9 

• y = x + 3

• y = 12x - 3

Tags

CCSS.6.EE.C.9

Which equation represents a line that passes through the point (3, -4) and has a slope of 7

• y + 4 = 7(x - 3)

• y - 4 = 7(x - 3)

• y + 4 = 7(x + 3)

• y - 4 = 7(x + 3)

The given table represents that total saved (y) after x number of months.

a) The (y-intercept) initial value is (a)   and the slope is​ (b)  

b)The linear equation is ​ (c)  

• 15

•  y=10x + 25

• 35

• 60

• 10

• 25

• y=25x + 10

• y=35x - 10

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the equation in standard form of the line that passes through the point (6, -1) and is parallel to the line 8x+3y=15?

• 8x+3y=-45

• 8x+3y=10

• 8x-3y=45

• 8x-3y=10

a) The equation for the table: (a)   b) Use the equation to find y when x =7​ (b)  

c) Find x when y=17​ (c)  

• y=3x + 14

• y=2x + 3

• y=3x+2

• y= 23

• x=5

• y=29

• x=7

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

a) The initial value, b, is​ (a)   and the slope is​ (b)  

b) The equation representing the water remaining, y, after x hours​ (c)  

• 2

• -120

• 118

• -122

• 120

• -2

• y=-2x + 120

• y=2x - 120

Tags

CCSS.HSF-BF.A.1A

Write an equation 
m = 1/3 through (4, 4)

• y = -1/3x + 8/3

• y = 8/3x - 1/3

• y = 8/3x + 1/3

• y = 1/3x + 8/3