Algebra 1 Mid term Exam

Identify the slope and y-intercept of:
y = 1/2x - 1

• slope: 1/2   y-intercept:  -1 
• slope: 2/1   y-intercept:  -1
• slope: 3   y-intercept:  -3 
• slope: 2  y-intercept:  5 

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

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 is the equation of the graph?

• $-4x+3y=12$

• $-3x+4y=12$

• $3x+4y=-12$

• $-4x+3y=-12$

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

Find the inverse of
f(x) = 1/4x - 7

• f^-1(x) = 4x + 7
• f^-1(x) = -4x + 28
• f^-1(x) = -4x - 7
• f^-1(x) = 4x + 28

Tags

CCSS.HSF-BF.B.4A

What does it mean to find the inverse of a function?

• the x's and y's are switched
• the x's and y's are divided by 2
• the x's and y's are made negative
• the x's and y's are the same

Tags

CCSS.HSF-BF.B.4A

If f(x)=3x, what is f^-1(x)?

• x/3

• 3x²

• 3x + 3x

• 3x^-1

Tags

CCSS.HSF-BF.B.4A

Which statement best describes "b"?

• x-intercept
• y- intercept
• Slope
• Bee

Is this an Arithmetic sequence? 5, 4.25, 3.5, 2.75

• Yes
• No

Tags

CCSS.HSF.BF.A.2

The next two terms of the sequence 4,7,10,13 are

• 16 and 19
• 15 and 19
• 16 and 18
• 15 and 18

Tags

CCSS.HSF.BF.A.2