Find the following. Assume that the letter can represent any real number.
A. 14
B. -14
C. 14y
D. 196
Answer: A
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Solve using a proportion. Round your answer to the nearest hundredth when necessary.Jared found an old family photograph that was 9 inches wide and 6 inches high. He wanted a copy that was 1.75 inches less wide. What will the height of that reduced copy be? Round to the nearest tenth of an inch.
A. 7.4 inches B. 10.9 inches C. 4.8 inches D. 1.2 inches
Solve the system of nonlinear equations using the method of elimination.
A. (3, 
), (3, -
), (-3, 
), (-3, -
)
B. (2, 
), (-2, 
)
C. (2, -
), (2, 
)
D. (2, 
), (2, -
), (-2, 
), (-2, -
)
Find the range of the quadratic function in interval notation.f(x) = 11(x - 3)2 + 8
A. [3, ?) B. (-?, 8] C. [8, ?) D. [-8, ?)
Use a graphing calculator to solve the system of equations.
A. (-5, 1), (-3, 1) B. (-3, 1) C. (-5, 1) D. No solution