Linear Equations from Word Problems

Bob has $150 in his savings account and saves $40 per month.  Which equation represents the amount Bob has in his account after x months?

• y = 150 + 40
• y = 40x + 150
• y = 150x + 40

Tags

CCSS.5.OA.B.3

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.8.F.B.4

CCSS.HSF.LE.A.2

An internet company charges a $100 set up fee, and then they charge $35 a month after that.  What is the y-intercept?

• $100
• $35
• $135
• $65

Tags

CCSS.8.EE.B.5

An internet company charges a $100 set up fee, and then they charge $35 a month after that.  What is the slope?

• $100
• $35
• $135
• $65

Tags

CCSS.HSF.LE.B.5

A T-shirt design company charges your team an initial fee of $25 to create the team's design. Each t-shirt printed with your design costs an additional $8. The equation for this situation is y = 8x + 25. Interpret the y-intercept in context.

• The additional fee of $8.

• The initial fee of $25.

• The additional fee of $25.

• The initial fee of $8.

Tags

CCSS.HSA.SSE.A.1

CCSS.HSS.ID.C.7

Find the slope between the points
(8, 5) and (-9, 5)

• Zero
• Undefined 
• -10/17
• -10/1

Tags

CCSS.8.EE.B.5

Identify the y-intercept for the function:
y=-3x

• -3
• 0
• 1
• -1

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

A camp charges families a fee of $625 per month for one child and a certain amount more per month for each additional child. Use the graph to write an equation in slope-intercept form to represent the amount a family with x additional children would pay.

• y = 625x + 225
• y = 225x 
• y = 225x + 625
• y =  625

Tags

CCSS.8.EE.B.5

Which of the following situations could be descried by the equation y= -25x + 120

• There are 120 people in the football stadium, and 25 more are entering each hour.
• A plumber charges $25 for a house call and $120 per hour.
• A teacher has 120 students. Her third period has 25 students
• There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute

Tags

CCSS.HSF.LE.B.5

Jeff has already read 50 pages of his book.  In 10 minutes he can read 8 pages.  If p represents the total number of pages he has read and m represents the number of minutes he reads, then which equation best models this situation?  If the book is 225 pages, will he finish the book in 3 hours?

• p = 4.2m + 50 and yes
• p = 1.25m + 50 and yes
• p = 0.8m + 50 and no
• p = 4.2m + 50 and no

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2