Question

Question 1.1. Evaluate 7x – y if x = 9 and y = 3.
(Points : 4)
12
13
60
76


Question 2.2. Evaluate 2r(t + 8) if r = 3 and t = 5.
(Points : 4)
33
38
65
78


Question 3.3. Simplify.

3 + 9 • 7 – 8 ÷ 2

(Points : 4)
29
38
62
80


Question 4.4. Given the replacement set { 0, 1, 2, 3, 4 }, solve 8x – 6 = 10.

(Points : 4)
x = 3
x = 0
x = 4
x = 2


Question 5.5. Given the replacement set {2, 3, 4, 5}, solve 7x – 4 = 3x + 8.

(Points : 4)
2