Solve the equation after making an appropriate substitution.x4 - 26x2 + 25 = 0
A. {-25, 25}
B. {-26, 26}
C. {-1, 1, -5, 5}
D. {-5, 5}
Answer: C
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Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. x = 
, x = - 
B. x = 8
C. x = 40
D. Defined for all real numbers
Find the x- and y-intercepts of the parabola associated with the quadratic equation. If the parabola does not have any x-intercepts, state "no x-intercepts."y = 2x2 + 12x + 16
A. (4, 0), (2, 0), (0, 16) B. (-4, 0), (2, 0), (0, -16) C. (-4, 0), (-2, 0), (0, 16) D. (4, 0), (-2, 0), (0, -16)
Find the payment necessary to amortize the loan. Round to the nearest cent.Marge and Tom Martin bought a new car for $25,000. They agreed to pay 20% down and make monthly payments for 4 years at 10% (compounded monthly) to pay off the rest.
A. $645.34 B. $2020.83 C. $634.06 D. $507.25
Solve the equation on the interval 0 ? ? < 2?.cot
= 1
A. 
B. 
C. 
D. 