Question

1. Evaluate –4ab when a = –2 and b = 5.
(Points : 1)
–40
–14
14
40


Question 2.2. Evaluate –6(x – 2y) when x = –3 and y = –5
(Points : 1)
–42
80
–80
–16


Question 3.3. Simplify: (–5) • (7) – (6) • (–2)
(Points : 1)
–23
–35
10
47


Question 4.4. Simplify: –4(x – 6) + 3(a – 7)
(Points : 1)
–4x + 3a – 45
–4x + 3a + 45
–4x + 3a – 3
–4x + 3a + 3

Answer 1

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