Writing Equations Warm Up Pre-5.4

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

Give the equation for the graph

• y = 5x - 3
• y = 4x + 2
• y =-2x + 5
• y = - 2x + 4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the equation of the line?

• y = -3/4x + 3
• y = 4/5x + 3
• y = -4/5x + 3
• y = -4/5x

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.HSF-BF.A.1A

Which situation can be represented by

y = 12x + 4 ?

• The number of people, y, arriving at party, if there are 12 cars with 4 people in each car

• The cost, y, of buying x movie tickets that sell for $12 each, plus $4 for popcorn

• The cost, y, of buying 12 candy bars that sell for $ 4 each.

• The number of cookies, y, if there are 12 cookies per box and you ate 4

Tags

CCSS.HSF.LE.B.5

A taxi charges a fixed fee plus a charge per mile (x = miles). The total cost can be calculated with the equation:

f(x) = 2.75x + 4.25

What does 2.75 represent?

• The total cost of the fixed fee plus charge per mile

• The charge per mile

• Miles

• The fixed fee

Tags

CCSS.HSF.LE.B.5

Given the table, write the equation in the slope-intercept form.

• y = 1/3x + 6
• y = 3x + 6
• y = 2x + 6
• y = 1/2x + 6

A holiday meal costs $12.50 a person plus a delivery fee of $30. Which equation represents the amount a holiday meal costs, including delivery, for x people?

• y = 12.5x + 30

• y = 12.5 + 30

• y = 12.5 + 30x

• y = 12.5x + 30x

Tags

CCSS.6.EE.C.9

Which situation below is representative of y-intercept?

• putting $300 a month into savings
• buying $30 worth of supplies for a lemonade stand
• Spending $3 per ride at the fair
• Paying $2 for parking every day

Tags

CCSS.8.EE.B.5

A man is climbing down from 100 feet high descending 30 feet per minute.

• y = 100 - 30x
• y = 100 + 30x
• y = 100x + 30
• y = 100x - 30

Tags

CCSS.6.EE.C.9