Answer:
a) 16
b) -8
c) 2
Step-by-step explanation:
Given:
p = 2
q = -3
r = -1
a)
5p - 2q
Substitute variables.
5(2) - 2(-3)
Multiply.
10 + 6
Add.
16
b)
pq + pr
(2)(-3) + (2)(-1)
-6 - 2
Subtract.
-8
c)
pr²
(2)(-1)²
Square -1.
(2)(1)
2
