### P S Q R -3 -1 2 5 7 C . Q n m T Q a T b

```MGC New Life Christian Academy
Junior High School Department
Mathematics 8
Reviewer
1. Complete with always, sometimes, or never to make a true statement.
a. Intersecting lines are always coplanar.
b. Three points are sometimes noncollinear.
c. Three noncollinear points are never noncoplanar.
2. Draw & label a figure for each relationship.
a. Point C and line m line in plane Q. Line m intersects line n and T. Line m and C
are coplanar but m, n, and C are not.
.C
n
T
m
Q
b. Lines a and b intersecting at point T with line a in plane Q, but line b not in Q. b
T
a
Q
3. Refer to the number line below to find each measure. (5)
S
Q
-3 -1
2
P
R
5
7
3.5 4. Find the coordinate of midpoint of QR
6 1. RS
8 2. PR
-0.5 5. Find the coordinate of midpoint of PQ
0.5 3. Find the coordinate of midpoint of SQ
4. Find the value of x, if R is the midpoint of segment QS, QR = 8 – x, and
RS = 5x – 10. (Ans. 3)
5. If Y is the midpoint of segment XZ, XY = 2x + 11, and YZ = 4x – 5, find the value of x and the measure of XZ. (Ans. 8; 54)
6. Find LM is L is between N and M, NL = 6x – 5, LM = 2x + 3, and NM = 30 (Ans. 11)
7. If R is between W and S, RS = 7x + 8, RW = 4x – 3, and WS = 6x + 10, find the value of x and WS. (Ans. 1; 16)
8. Segment TQ and segment AB bisect each other at point M. Solve for x.
a. AB = 24, MB = 2x + 4 (Ans. 4)
b. TQ = 4x + 16, TM = 20 (Ans. 6)
c. TM = ½ x – 4 , TQ = 12 (Ans. 20)
“I can do everything through him who gives me strength.” Philippians 4:13
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