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.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.LE.A.2

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.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSF.LE.A.1

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.HSA.CED.A.3

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

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.HSA.CED.A.2

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

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.HSA.CED.A.2

CCSS.HSS.ID.C.7

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.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

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.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.SSE.A.1