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Earn +20 ptsQ: What is the value of the expression 9x2-12x 4 when x3?
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Continue Learning about Other Math
How do you write an expression using a single exponent?
For example, (x3)(x4) = (x3+4) = x7 Also, (x5)2 = x(5)(2) = x10
X3 64 343?
The math problem X3 times 64/334 equals 4/7. Getting this answer you will first have to find the value of X.
Is a polynomial with square root a polynomial?
It is a polynomial if the square root is in a coefficient but not if it is applied to the variable. A polynomial can have only integer powers of the variable. Thus: sqrt(2)*x3 + 4*x + 3 is a polynomial expression but 2*x3 + 4*sqrt(x) + 3 is not.
What is the value of the rational expression below when x is equal to 3?
4
What is the value of the expression 4 over 2 to the power of -2?
1/4
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