Lesson 2 Writing Equations for Lines

Lesson 2 Writing Equations for Lines

​

Multiple Choice

Find the slope of a line through the points (1, 1) and (7, 5).

• $\frac{2}{3}$

• $\frac{3}{2}$

• $\frac{4}{6}$

• $\frac{6}{4}$

Multiple Choice

Find the slope of a line through the points (1, 1) and (5, 7)

• $\frac{4}{6}$

• $\frac{6}{4}$

• $\frac{2}{3}$

• $\frac{3}{2}$

Multiple Choice

What are the coordinates of point B.

• (0,4)

• (4,0)

• (8,10)

• (10,8)

Multiple Choice

What are the coordinates of point D?

• (8,10)

• (10,8)

• (4,5)

• (5,4)

Multiple Choice

Is the point (16, 20) on the line?

• Yes

• No

Multiple Choice

Is the point (20, 24) on the line?

• Yes

• No

Multiple Choice

Is the point (80, 100) on the line?

• Yes

• No

Multiple Choice

What is the equation of the line?

• $y=\frac{4}{5}x$

• $y=\frac{5}{4}x$

• $y=4x$

• $y=5x$

Open Ended

Consider the graphed line.

Mai uses Triangle A and says the slope of this line is 6/4. Elena uses Triangle B and says no, the slope of this line is 1.5. Do you agree with either of them? Explain.