Parallel Lines and Proportionality

Find the value of "a".

• 9

• 12

• 18

• 40

If a line divides two sides of a triangle proportionally, then it is .......

• congruent to the third side.

• parallel to the third side

• perpendicular to the third side.

• twice the length of the third side

• 8

• 5

• 6

• 4

Find the length of $\overline{AB}$

• 9

• 12

• 13

• 15

23.

• A

• B

• C

• D

Which of the following equations has a graph PARALLEL to the line y = 4x + 7 and has an y-intercept of -2?

The equation of line k is y = −x + 17. Line n is parallel to line k and passes through the point (−5, 7). Determine an equation that represents the relationship between x and y for line n. Record your answer in the space provided.

Mathematical Equivalence

ON

Tags

A1.3.2.E

• Yes, the lines are parallel

• No, the lines are not parallel

Determine whether $\overline{QR}\parallel\overline{ST}$

• Yes, the lines are parallel

• No, the lines are not parallel

• 6

• 8

• 7.2

• 6.8