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Lesson 2 Is It Right? Solidify Understanding

Ready

Use the coordinate grid to find the length of each side of the triangles provided. Give answers in exact form.

1.

A coordinate plane with x- and y-axis in 1-unit increments. A right triangle with vertices at (0,4), (-4,4), and (-4, -3). x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444000

2.

A coordinate plane with x- and y-axis in 1-unit increments. A right triangle with vertices at (4,4), (4,-3), and (-1, -3). x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444000

3.

A coordinate plane with x- and y-axis in 1-unit increments. A right triangle with vertices at (3,-2), (3,-4), and (-5, -4). x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444000

4.

A coordinate plane with x- and y-axis in 1-unit increments. A right triangle with vertices at (0,-2), (2,-4), and (-2, -4). x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444000

Set

5.

Graph a line parallel to the given line.

A coordinate plane with x- and y-axis in 1-unit increments. A line with y-intercept at -2 and slope of 2. x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444000

Equation for given line:

Equation for new line:

6.

Graph a line parallel to the given line.

A coordinate plane with x- and y-axis in 1-unit increments. A line with y-intercept at 4 and slope of -1/4. x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444000

Equation for given line:

Equation for new line:

7.

Graph a line parallel to the given line.

A coordinate plane with x- and y-axis in 1-unit increments. A line with y-intercept at 1 and slope of -4. x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444000

Equation for given line:

Equation for new line:

8.

Graph a line perpendicular to the given line.

A coordinate plane with x- and y-axis in 1-unit increments. A line with y-intercept at 1 and slope of 1/3. x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444000

Equation for given line:

Equation for new line:

9.

Graph a line perpendicular to the given line.

A coordinate plane with x- and y-axis in 1-unit increments. A line with y-intercept at -1 and slope of -4. x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444000

Equation for given line:

Equation for new line:

10.

Graph a line perpendicular to the given line.

A coordinate plane with x- and y-axis in 1-unit increments. A line with y-intercept at -2 and slope of 2. x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444000

Equation for given line:

Equation for new line:

Go

Solve each equation for the indicated variable.

11.

; Solve for .

12.

; Solve for .

13.

; Solve for .

14.

; Solve for .