Solve the problem.The sum of a number and its square is 12. Find the number.

A. -3 or 4
B. 3 or 4
C. -3 or -4
D. 3 or -4


Answer: D

Mathematics

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Which of the following is a word or concept that applies to Glide Reflections?    ?

A. ?reflection in a line B. ?horizontal shift C. ?slide D. ?vertical shift E. ?translation F. ?rotation

Mathematics

Solve.The altitude above sea level of an airplane just after taking off from an airport on a high plateau is given by the linear function h(t) = 1100t + 3114, where h(t) is in feet and t is the time in minutes since takeoff. Find the altitude of the airplane after 7 minutes.

A. 10,714 feet B. 10,914 feet C. 10,814 feet D. 7700 feet

Mathematics

Write an equation that models the conditions, then to solve the equation.92.4 is what percent of 66?

A. 140% B. 71.43% C. 7.14% D. 1.4%

Mathematics

Solve the problem.A political poll has a built in error tolerance. A candidate receiving 38% support, according to the poll, could actually have 40% support and the poll would still be considered accurate. The error tolerance for the candidate with 38% support is 3%. An acceptable percentage p for the candidate must satisfy the inequality   ? 3. Solve the inequality and interpret the result.  

A. 38 ? p ? 41 ; Actual support for the candidate could vary between 38% and 41%.
B. -3 ? p ? 3 ; Actual support for the candidate could vary between -3% and 3%.
C. 35 ? p ? 41 ; Actual support for the candidate could vary between  and 41%.
D. -41 ? p ? -35 ; Actual support for the candidate will not vary because you cannot have negative percentages.

Mathematics