Exploring Adding and Subtracting Rational Expressions

What is the general form of the slope-intercept equation?

• y = cx + e

• y = mx + b

• y = ax + c

• y = bx + d

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

If the slope of a line is 2 and the y-intercept is -3, what is the equation of the line?

• y = -2x + 3

• y = 2x - 3

• y = -2x - 3

• y = 2x + 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

When graphing a line, what does a positive rise indicate?

• Moving right

• Moving left

• Moving up

• Moving down

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

• The y-intercept

• The slope

• The constant term

• The x-intercept

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the first step in converting a standard form equation to slope-intercept form?

• Divide both sides by the x-term

• Add the x-term to both sides

• Subtract the x-term from both sides

• Multiply both sides by the y-term

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

In standard form, what must be true about the coefficients?

• The coefficient of y must be negative

• They can be fractions

• They can be decimals

• The coefficient of x must be positive

What is the equation of a vertical line passing through x = -1?

• y = -1

• x = 1

• y = 1

• x = -1

What is the slope of a horizontal line?

• Undefined

• Positive

• Zero

• Negative

Tags

CCSS.8.EE.B.5

If two lines have the same slope but different y-intercepts, what is their relationship?

• They are parallel

• They are the same line

• They intersect at one point

• They are perpendicular

Tags

CCSS.8.EE.B.5

What is the relationship between lines with slopes that are negative reciprocals of each other?

• They do not intersect

• They are the same line

• They are perpendicular

• They are parallel