7.7A Word Problems

Rob is buying shirts at his favorite sports store. The store is having a huge sale, so Rob can get each shirt for only $2. Rob also has a coupon for $5 off his total purchase.

Which equation can be used to find y, the total cost to buy x shirts?

Tags

CCSS.6.EE.C.9

Jenny can run a mile in six and a half minutes. Which equation can be used to find y, the total amount of minutes it takes Jenny to run x miles?

Tags

CCSS.6.EE.C.9

In the morning, the snow build-up from a storm during the night was 2 inches high. As the sun came out, the snow began to melt 1 inch for every x hour. Which equation can be used to find the total amount of time, y, it will take for the snow to melt?

Cheddar cheese costs $4.25 per pound. Which equation best represents y, the total cost of x pounds of cheddar cheese?

• x = 4.25 + y

• x = 4.25y

• y = 4.25 + x

• y = 4.25x

Tags

CCSS.6.EE.C.9

A music club membership costs $15 to start and $8 per cd. Write an equation.

• C = 15 + 8
• C = 15x +8
• C = 8x + 15
• none of these

Tags

CCSS.HSF-BF.A.1A

Write the equation of a line with a slope of -3 and y intercept of 8

• x = 8
• y = -3
• y = 8x -3
• y = -3x + 8

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

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 of the following is the slope-intercept form?

• m = (y₂ - y₁)/(x₂ - x₁)

• y = mx + b

• y - y₁ = m(x - x₁)

• ax + by = c

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which equations represents the verbal description?

• y = 6x + 27

• y = -6x + 27

• y = 27x + 6

• y = 27x - 6

Tags

CCSS.6.EE.C.9

Tickets are on sale for a basketball game at the Alamo-dome in San Antonio, Texas. Each ticket sells for $74.50. Bus shuttle prices to the event cost $15 per family. Which equation can be used to determine c, the total cost to attend the game if t tickets are purchased by the Loza family?

• c = 74.50t+15

• c = 15t + 74.50

• c = 74.50 + 15

• t = 74.50c+15

Tags

CCSS.HSF-BF.A.1A