Posted by **Sasha Z.** on Thursday, May 20, 2010 at 1:12pm.

Algebra For questions 1-5, find the value of the variable.

1.

x =

(1 point)

2.

y =

(1 point)

3.

x =

(1 point)

4.

x =

(1 point)

5. (1 point)

x = , y = , b = 90

x = , y = 3, b = 95

x = , y = 2, b = 90

x = , y = , b = 130

In Exercises 6-8, decide whether the statement is true or false. If true, explain why. If false, show a counterexample.

6. A quadrilateral with congruent diagonals is an isosceles trapezoid or rectangle. (1 point)

True; diagonals are congruent in the following example:

False; diagonals are equal in the following example:

False; diagonals are equal in the following example:

7. The diagonals of a kite separate the quadrilateral into four congruent triangles. (1 point)

False; no triangles are congruent.

False; only two triangles at a time are congruent.

True; four triangles are congruent.

8. Each diagonal of a kite bisects two angles of the kite. (1 point)

True;

False;

True;

False;

Give the coordinates for point A without using any new variables.

9. (1 point)

(m, n)

(m, 0)

(n, m)

(0, n)

10. (1 point)

(k, p)

(-k, p)

(k, 0)

(0, p)

- math -
**brittany**, Thursday, May 20, 2010 at 1:13pm
Do you go to Connectionsacademy?? i have this test too.. It so hard.... I need these answers if you get them please

- math -
**kalia**, Thursday, May 20, 2010 at 8:58pm
1)51

2)32

3)2

4)3

5)A

6)C

7)B

8)B

9)C

10)C

- math -
**Jordan**, Friday, May 27, 2011 at 1:38pm
thank ya soooo much...this really helped ;)

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