If you are given the value of a variable, all you have to do is substitute the variable for the value. For instance, if you are given an expression 2x + 5y, where x = 4 and y = 2, you evaluate the expression by substituting x with 4 and y with 2. That gives you 2(4) + 5(2) = 8 + 10 = 18
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Answer:
(-1,0), (3,0)
Step-by-step explanation:
(x+1)(x-3) = y
We are trying to find the values for x which make y = 0.
y can only equal 0 when x+1 or x-3 =0
When you solve both x+1 =0, and x-3=0, your solution set is x = -1,3 --> (-1,0), (3,0)
Answer:
Step-by-step explanation:
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Answer:
1
Step-by-step explanation:
-3--4--2+1-3
-3+4+2+1-3
