Linear Models Review

Ashley has a job as an assistant for a basketball program at her community center. She is paid a flat rate of $15 for each session plus an additional $6 for each student who shows up at that session. Which one of the following functions represents Ashley’s earnings, , per session?

• E(x) = x + 15

• E(x) = 15x

• E(x) = 6x + 15

• E(x) = 15x + 6

Tags

CCSS.HSF-BF.A.1A

Which of the following equations represents the line that has a y-intercept of (0, -2) and x-intercept of (3 , 0)?

• $y=\frac{3}{2}x+3$

• $y=-2x+3$

• $y=\frac{2}{3}x-2$

• $y=3x-2$

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Which is the equation of the graph?

• $-4x+3y=12$

• $-3x+4y=12$

• $3x+4y=-12$

• $-4x+3y=-12$

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

What is true about the function  $f\left(x\right)=-\frac{1}{3}x+1$  ?

• The point  $\left(-\frac{1}{3},\ 0\right)$  is on the line.

• The point  $\left(3\ ,\ 0\right)$  is on the line.

• The line is in two quadrants.

• The line has a vertical intercept below the x-axis.

Tags

CCSS.HSA.REI.D.10

CCSS.HSS.ID.C.7

To charge customers for printing color posters, a company uses the algebraic rule  $f\left(x\right)=2x+5$ , where x represents the number of copies ordered, and f(x) is the charge in dollars for the order. Which graph best displays the relationship?

• 
• 
• 
• 

Tags

CCSS.8.EE.B.5

What is NOT true about the interval  $20\le t\le28$  in the graph that models the number of people in a room over time?

• There are between 20 and 28 people in the room.

• There are 60 people in the room during that interval.

• No people enter or leave the room during that interval.

• This interval represents the time during which there are the most people in the room.

Tags

CCSS.HSF.IF.B.4

Which equation models the relationship between shipping fee and number of items?

• $S\left(n\right)=7.5\ +2.5n$

• $S\left(n\right)=7.5n+1$

• $S\left(n\right)=5+2.5n$

• $S\left(n\right)=7.5\ +10n$

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

This table shows the relationship between humerus

(arm bone) length and a woman’s height.

Predict the height of a woman whose humerus length

is 40 cm.

• 176 cm

• 178.75 cm

• 173.25 cm

• 181.5 cm

Tags

CCSS.HSF.IF.A.2

To charge customers for color printing, a company uses the algebraic rule  $f\left(x\right)=2x+5$  where x represents the number of copies ordered and f(x) is the charge in dollars. Which scenario below fits this rule?

• There is a $5 initial charge and an additional charge of $2 per copy.

• There is a $2 initial charge and an additional charge of $5 per copy.

• The company charges $5 for every 2 copies.

• The company charges $2 for every 5 copies.

Tags

CCSS.HSF.LE.B.5

The equation  $2.25x+2y=18$  represents the amount of money spent on cans of Spaghetti O's and packages of Ramen noodles, y, that Joe bought for the food drive. Which of the following is true?

• Joe bought 2 packages of Ramen noodles.

• Spaghetti O's cost $2.25

• Joe brought in 18 cans

• Spaghetti O's cost  $2

Tags

CCSS.HSF.LE.B.5