Linear Equations and Graphs Quiz

What is the slope-intercept form of a linear equation?

• y = mx + b

• y = mx^2 + b

• y = ax^2 + bx + c

• y = a/x + b

If a line has a y-intercept of -1 and a slope of 2, what is its equation?

• y = -2x + 1

• y = -2x - 1

• y = 2x + 1

• y = 2x - 1

Which of the following fractions is equivalent to a slope of 2?

• 6/2

• 5/2

• 3/2

• 4/2

What is the equation of a horizontal line passing through y = 2?

• y = 0

• y = 2

• x = 2

• x = 0

What is the slope of a horizontal line?

• Negative

• Positive

• Undefined

• Zero

What do parallel lines have in common?

• Same slope

• Same y-intercept

• Same length

• Same x-intercept

If two lines have the same slope but different y-intercepts, what are they?

• Intersecting

• Perpendicular

• Parallel

• Coinciding

In a distance-time graph, what does the y-intercept represent?

• Total time

• Average speed

• Starting distance

• Ending distance

If a car travels 50 miles per hour, what is the slope of the distance-time graph?

• 50

• 100

• 25

• 0

How far does a car travel if it starts 100 miles away and ends 400 miles away?

• 400 miles

• 100 miles

• 500 miles

• 300 miles