Unit 3 Review

The table includes information about the vertices of a triangle. Which of the following best represents the missing information?

• (3, 2)

• (3, -2)

• (-3, 2)

• (-3, -2)

The ordered pair (-7, 9) can be found in which quadrant?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Point E is reflected across the y-axis. Which ordered pair best represents E' (the reflection of E)?

• (5, -7)

• (-7, 5)

• (-5, -7)

• (5, 7)

Jeremy plots the points (4, 3) and (4, -6) on the coordinate plane. Which of the following statements best describes the points he plotted?

• The points form a vertical line segment that measures 9 units.

• The points form a horizontal line segment that measures 7 units.

• The points form a vertical line segment that measures 7 units.

• The points form a horizontal line segment that measures 9 units.

The points on the coordinate plane are three vertices of a rectangle ABCD. What is the ordered pair of D?

TIP: You will have to find where point D would lie.

AND BE CAREFUL. Notice the numbering on the x and y axis.

• (-2, 1)

• (-1, 2)

• (1, -2)

• (-2, -1)

Point K is reflected across the x-axis. Which of the following points best represents K' (the reflected point).

Notice how the x and y axis are numbered.

• Point M

• Point N

• Point O

• Point P

The three points form a triangle and are graphed on the coordinate plane. Which of the ordered pairs below represents a point on the triangle?

Be careful. Look at how they have numbered the axes.

• (-1, -0.5)

• (2, 3)

• (1, -1.5)

• (-1, -1)

Marsha'[s house is located on the coordinate plane below. Tasha's house is located 6 units from Marsha's house. Which of the following could represent the location of Tasha's house?

Caution: Look carefully at how they have numbered the x and y axis.

• (-2, 5)

• (4, 2)

• (2, 5)

• (-2, -5)

The table includes information about the vertices of a triangle. Which of the following best represents the missing information?

Note: The columns are labeled "VERTEX" "REFLECTED ACROSS X-AXIS" and "REFLECTED ACROSS Y-AXIS"

• (3, 2)

• (3, -2)

• (-3, 2)

• (-3, -2)

Points A, B, C, D, and E form a pentagon. Which of the following ordered pairs can be located INSIDE the pentagon?

CAUTION: Look carefully at how the x and y axis are numbered.

• (-1, -1)

• (1, -1)

• (1, 2)

• (-0.5, 1)