Final Exam Review Falls Pt. 1

Which represents a function?

• 
• 
• 
• 

Simplify 8(2x - 1) + 6x

• 22x - 8

• 10x -8

• 8x + 6

• x = -1/2

For the expression 4x - 9, which of the following statements is true?

• The coefficient is -9 and the constant is 4.

• The coefficient is 4 and the constant is -9.

• The coefficient is 4x and the constant is 9.

• The coefficient is 4x and the constant is -9.

What is the slope?

On a graph, would this data be increasing or decreasing? ​ (a)  

• increasing

• decreasing

What is the y-intercept?

• (0, -6)

• (-6, 0)

• (1, 1)

• (0, 1)

Which of the following equations would be increasing?

• y = -3x ​

• y = 2x + 3

• y = -6x + 4 ​

• y = -3x + 5 ​

Find the slope of the line shown.

• -1/2

• 1/2

• -2/1

• 8/4

Is this graph increasing or decreasing? ​ ​ (a)  

• decreasing

• increasing

Is the graph shown proportional?

• Yes

• No