Evaluate Expressions
4x - 5 + x for x = 4
4(4) - 5 + 4 = 15
6x2 - 10 for x = 4
6(4)2- 10 = 86
Write in words: 8/n + 11
The quotient of 8 and a number, increased by 11.
8 divided by a number, plus 11.
2(a + 5) for a = 3
2 (3 + 5) = 16
4(t) + 5 + t2 for t = 3
4(3) + 5 + (3)2 = 26
Write an algebraic expression: The product of 3 and a number, increased by 8.
3n + 8
3s2+ 11 - 2s for s = -4
3(-4)2 + 11 - 2(-4) = 67
Translate: 7 less than the quotient of 6 and a number
6/a - 7
3(6 - b) + 7 - 2b for b = -4
3(6 - (-4)) + 7 - 2(-4) = 45
5x3+ y2 - z1 for x = -2, y = 5, z =4
5(-2)3 + 52 - 41= -19
Write an algebraic expression: 4 less than the sum of a number and 15.
(n + 15) - 4
n/4 + 2(n - 3) -(n) for n = -8
-8/4 + 2(-8-3) - (-8)= -16
2x2 + 5y4 - w3 - 4m2
for x = -3, y = 2, w = 4, m = -5
2(-3)2 + 5(2)4 - (4)3- 4(-5)2 = -66
Write an algebraic expression: Twice the difference of a number and 10.
2(m - 10)