Algebra 1 Quiz #4: Graphing by using y = mx + b

^{What is the x- intercept of the line?}

• (1, 0)
• (2, 0)
• ( -1, 0)
• (-2, 0)

What does "b" represent in y = mx + b?

• Slope

• Y-Intercept

• Nothing

• X-Intercept

If m=3 and b=6, what is the correct slope intercept equation?

• y=3-6
• y=3x-6
• y=3x+6
• y=6x+3

Graph y = -3

• A
• B
• C
• D

Which graph represents x=2?

• A
• B
• C
• D

What is the slope of the equation?

y = -2x - 1

• 2

• -2

• -2x

• -1

Find the slope of the line.

Hint: rise/run

• 1/2

• -1/2

• 2

• 0

Find the slope.

Hint: rise/run

• -5/3

• -3/5

• 5/3

• 5

When you graph a line using slope-intercept form (y=mx+b), you graph the ___________ first and then use the ___________ to find the second point.

• origin; slope

• slope; y-intercept

• y-intercept; x-intercept

• y-intercept; slope

Which equation matches the graph?

• y = 2x

• y = 1/4 x + 2

• y = 1x + 4

• y = 2x - 3