Finding the Slope from Two Points: Key Concepts and Examples

What formula is used to calculate the slope between two points?

• y2 - y1 / x2 - x1

• x2 - x1 / y2 - y1

• x2 + x1 / y2 + y1

• y2 + y1 / x2 - x1

Tags

CCSS.8.EE.B.5

What is the slope of a line between points (3, -4) and (-5, 2)?

• 3/4

• -2/3

• -3/4

• 2/3

Tags

CCSS.8.EE.B.5

What does a slope of zero indicate about a line?

• It is vertical.

• It is diagonal.

• It is horizontal.

• It is undefined.

Tags

CCSS.8.EE.B.5

What does an undefined slope indicate about a line?

• It has a slope of zero.

• It is horizontal.

• It is vertical.

• It is diagonal.

Tags

CCSS.8.EE.B.5

What is the slope of a line between points (4, -1) and (4, -8)?

• 0

• 7

• Undefined

• -7

Tags

CCSS.8.EE.B.5

How do you simplify a complex fraction when calculating slope?

• By multiplying the numerators

• By dividing the denominators

• By finding the least common multiple

• By adding the denominators

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

What is the slope of a line between points (1/3, -1/4) and (-2/5, 1/2)?

• 44/45

• 45/44

• -45/44

• -44/45

Tags

CCSS.8.EE.B.5

If the slope is 3/4 and points are (3, y) and (2, 5), what is y?

• -23/4

• 4/23

• -4/23

• 23/4

Tags

CCSS.8.EE.B.5

What is the slope of the equation y = 5 - 2/3x?

• -2/3

• 5

• -5

• 2/3

Tags

CCSS.8.EE.B.5

In the equation 2y = -4x + 8, what is the slope after solving for y?

• 2

• -2

• 4

• -4

Tags

CCSS.8.EE.B.5