Rational Equations — Cumulative exam Answers
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Use the zero product property to find the solutions to the equation x2 – x – 6 = 0.
A
x = –3 or x = –2B
x = –3 or x = 2C
x = –2 or x = 3D
x = 2 or x = 322
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Which statement best describes the equation x5 + x3 – 14 = 0?
A
The equation is quadratic in form because it is a fifth-degree polynomial.B
The equation is quadratic in form because the difference of the exponent of the lead term and the exponent of the middle term is 2.C
The equation is not quadratic in form because it cannot be rewritten as a second-degree polynomial.D
The equation is not quadratic in form because the exponent of the lead term is not the square of the exponent of the middle term.23
Which expression is equivalent to ?
A
Option
B
Option
C
Option
D
Option
24
The cost of producing x soccer balls in thousands of dollars is represented by h(x) = 5x + 6. The revenue is represented by k(x) = 9x – 2. Which expression represents the profit, (k – h)(x), of producing soccer balls?
A
14x – 8B
14x + 4C
4x – 8D
4x + 425
What is the quotient in simplified form? Assume .
A
Negative StartFraction 4 a Superscript 12 Baseline b Superscript 8 Baseline Over 5 EndFraction
B
Negative StartFraction 4 a Superscript 32 Baseline b Superscript 5 Baseline Over 5 EndFraction
C
StartFraction a Superscript 12 Baseline b Superscript 8 Baseline Over 80 EndFraction
D
StartFraction a Superscript 32 Baseline b Superscript 5 Baseline Over 80 EndFraction
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