Evaluate the expression for x = 3, x = -1
Evaluate the expression for x = 3, x = -1
Evaluate the expression for x = 3, x = -1
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Ex 1. Evaluating <strong>the</strong> Algebraic Expression <strong>for</strong> x = 4 and y = -2<br />
(hint: put paren<strong>the</strong>sis around any negative values)<br />
a. x + y ÷ x b. 3x - 4y + x - y c. x + 2x ÷ y - 2y<br />
Ex 2. Evaluating an Algebraic Expression with Exponents<br />
For c = -3 and d = 5<br />
a. c 2 - d 2 b. c(3 - d) - c 2 c. -d 2 - 4(d - 2c)<br />
Ex 4. Combining like terms<br />
a. 3k - k b. 5z 2 - 10z - 8z 2 + z c. -(m - n) + 2(m - 3n)<br />
d. 2x 2 + 5x - 4x 2 + x - x 2 e. -2(r + s) - (2r + 2s) f. y(1 + y) - 3y 2 - (y + 1)<br />
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