Provide an appropriate response.Tell what words you would use in a telephone conversation with a classmate (who missed class) to explain how to write a rational expression as an equivalent rational expression with a given denominator.
What will be an ideal response?
Answers will vary. Explanations should include:
? Factor both denominators.
? Decide what factor(s) the denominator must be multiplied by in order to equal the specified denominator.
? Multiply the rational expression by that factor divided by itself. (That is, multiply by 1).
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Factor completely. If the polynomial cannot be factored, say it is prime.10x2 - 34x + 28
A. (5x - 7)(2x - 2) B. 2(5x + 7)(x + 2) C. 2(5x - 7)(x - 2) D. prime
Evaluate.
A. 91,080 B. 4,098,600 C. 2070 D. 45
Write the expression in the standard form a + bi.
4
A. 4i B. -4i C. 4 D. -4
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).2x + 3y = 6
A. r(2 sin ? + 3 cos ?) = 6 B. 2 cos ? + 3 sin ? = 6r C. r(2 cos ? + 3 sin ?) = 6 D. 2 sin ? + 3 cos ? = 6r