Graphing Linear Equations in Two Variables

What type of graph do linear equations always produce?

• Circle

• Curved line

• Parabola

• Straight line

How many points are needed to graph a linear equation?

• Four

• Three

• Two

• One

What is the x-intercept of the equation 2x + 3y = 9?

• (0, 3)

• (4.5, 0)

• (0, 4.5)

• (3, 0)

What is the y-intercept of the equation 2x + 3y = 9?

• (0, 4.5)

• (4.5, 0)

• (3, 0)

• (0, 3)

In the slope-intercept form y = mx + b, what does 'm' represent?

• Coefficient of y

• x-intercept

• y-intercept

• Slope

What is the slope of the line represented by the equation y = 3x - 2?

• 2

• -2

• -3

• 3

What is the y-intercept of the equation y = 3x - 2?

• 2

• 3

• -2

• -3

How do you convert the equation 2x + 3y = 6 into slope-intercept form?

• y = -2/3x + 2

• y = 2/3x - 2

• y = 3/2x + 2

• y = -3/2x + 2

What is the first step in using a graphing calculator to graph an equation?

• Type the equation

• Press the graph button

• Hit the y= button

• Solve for y

What does the graph of y = -2/3x + 2 represent?

• A circle

• A straight line

• A parabola

• A hyperbola