Algebra 2 Quiz 2 - RETAKE

Identify the slope and y-intercept of:

y = 10 -x

• slope:-1 y-intercept: 10

• slope: 1/10 y-intercept: 10

• slope: 1 y-intercept: -10

• slope: -1 y-intercept: -10

What is the definition of a function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

Find the y-intercept

• 2

• 1

• -2

• 3

A man is climbing down from 225 feet high descending 50 feet per minute. Which function models his descent?

• y = 225 - 50x

• y = 225 + 50x

• y = 225x + 50

• y = 225x - 50

Transform from standard form to slope intercept form: 4x-6y=20

• y=-4x+20

• y= 2/3x-10/3

• y=-2/3x+ 10/3

• y=2/3x+20

The commission of a sales representative can be modeled by C(x) = 4x - 10, where x is the number of items sold. If the sales representative sales 40 items, how much commission will they earn?

• $60

• $160

• $5

• $150

-25y-7 = -25y-7

• No Solution

• One Solution

• Infinite Solutions

12y+6=12y-6

• No Solution

• One Solution

• Infinite Solution

2(m-2)=4(m+2)

• No solution

• One Solution

• Infinite Solutions

Which equation best represents the line on the graph?

• y = 2x

• y = -2x

• y= 1/2x

• y= -1/2x