Fall Semester Exam Review

How do you find slope from an equation?

• look at the b value

• look at the number attached to x

• look at the number after the plus or minus sign

• divide the two numbers in the equation

Find the slope from the table.

• 1/4
• -1/4
• -4/1
• 4/1

What is the y-intercept in the equation y= -2x + 5

• -2
• 3
• 5
• Cannot be Determined

Determine the slope and y-intercept from the following equation:   y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 
• slope: 3/2   y-intercept:  (0,3) 
• slope:  4  y-intercept:  (0,3/2)
• slope: 1/5   y-intercept:  (0,5) 

What does 'b" represent in y=mx=b

• y-intercept
• macaroni
• nothing
• slope

What is the y-intercept in this table?

• (-2, -2)
• (1, 2)
• (0, 6)
• (6, 0)

The graph shows the relationship between the amount of gas in a car's tank after going on a trip.  Which is the closest to the amount that would be in the tank after traveling 50 miles?

• 9 gallons
• 11 gallons
• 14 gallons
• 10 gallons

Tags

TEKS.MATH.8.4C

Find the slope of the line.

• Undefined

• 0/1 or Zero

• 1/1

• -1/1

Tags

TEKS.MATH.8.4C

What is the meaning of the y-intercept?

• The cost for the service without any hours of calling is $5
• The cost of the service without any hours of calling is $6
• The cost per minute is $0.05
• The cost per minute is $0.50

Tags

TEKS.MATH.8.4C

Which y - intercept and slope applies to the graph?

• y - intercept = 2, slope = 2

• y - intercept = -2, slope = 1/2

• y - intercept = -2, slope = 2

• y - intercept = 1, slope = 2