Linear Equations in Slope Intercepts

Coincident Lines in a system of linear equations have which of the following characteristics?

• Same Slope but Different Y-Intercepts

• Different Slopes but Y-Intercepts doesn't matter

• Same Slope Same Y-Intercept

• No Slopes and X-Intercepts

Which of the following systems of linear equations represent parallel lines?

• y = 2x - 3

  2y = 4x + 6

• y = x + 2

  y = 2x + 1

• y = -3

  x = -4

• y = 2x + 4

  y = 2x + 4

Which of the following systems of linear equations represent intersecting lines?

• y = 2x - 3

  2y = 4x + 6

• y = x + 2

  y = 2x + 1

• x = -3

  x = -4

• y = 2x + 4

  y = 2x + 4

Which of the following systems of linear equations represent coincidental lines?

• y = 2x - 3

  2y = 4x + 6

• y = x + 2

  y = 2x + 1

• y = -3

  x = -4

• y = 2x + 4

  y = 2x + 4

In the linear equation

y = mx + b,

what does m stand for?

• Slope

• y-intercept

• Solution

• x-intercept

What is a y-intercept?

• The value of y when x is zero

• The value of x when y is zero

• Slope

• where a line intersects the x-axis

Another name for slope is

• y-intercept

• Solution

• Rate of change

• Undefined

Slopes of parallel lines are...

• opposite reciprocals

• the same

• opposites

• always 7

Slopes of perpendicular lines are...

• opposite reciprocals (flip-flip)

• the same

• opposite

• always 7

What is the slope of the line?

• Positive

• Negative

• Zero

• Undefined