Evaluate -3x + 4 for x = -2.
Answer
10
Evaluate for x = 10.
2
Evaluate 4x2 for x = -1.
4
Evaluate 5y – 3y2 for y = -2.
-22
Evaluate z3 – 18 + z for z = -2.
-8 – 18 – 2 = -28
Evaluate 4xyz + x + y – z for x = 2, y = 3, and z = 5.
120 + 2 + 3 – 5 = 120
Evaluate b2 – 4ac for a = 1, b = 3 and c = -2.
9 – 4(1)(-2) = 9 + 8 = 17
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for x = 10.