Exploring Adding and Subtracting Rational Expressions

What is the standard form of an equation?

• ax + by = c

• y = mx + b

• y - mx = b

• ax^2 + bx + c = 0

How do you solve for y in the equation 2x + 1y = 3?

• y = 2x + 3

• y = 3x + 2

• y = -2x + 3

• y = 2x - 3

What is the slope in the equation y = -4/5x - 6?

• -4/5

• -4

• 5

• -6

What is the y-intercept in the equation y = 1/3x - 4?

• -1/3

• 4

• -4

• 1/3

In the equation y = 2x + 8, what does the 2 represent?

• Slope

• X-intercept

• Coefficient of y

• Y-intercept

What is the correct slope-intercept form for 4y = 6x + 20?

• y = 3/2x - 5

• y = 6x + 20

• y = 3/2x + 5

• y = 2/3x + 5

Which equation represents a line with a slope of 1/3 and y-intercept of -2?

• y = 1/3x - 2

• y = 3x + 2

• y = -1/3x + 2

• y = 1/3x + 2

For the equation 2x - y = 1, what is the slope after solving for y?

• 2

• -2

• 1

• -1

In the equation y = 2x - 1, what does the -1 represent?

• Slope

• X-intercept

• Y-intercept

• Coefficient of x

What is the y-intercept of the equation y = -5/4x + 7?

• -7

• 5/4

• -5/4

• 7