Use a graphing calculator to solve the equation. Round to two decimal places.
x = 12
A. -0.28
B. 3.58
C. -6.00
D. -3.58
Answer: D
Mathematics
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Use the graph of a quadratic function to find the solution set of the equation or inequality. For a solution set that involves an interval, use interval notation.-x2 + 8x - 16 > 0
A. (-?, 4) ? (4, ?) B. x = 4 C. ? D. (-?, ?)
Mathematics
Write the solution set in interval notation.x < 1
A. {x|x < 1} B. {x|x ? 1} C. {x|x > 1} D. {x|1 < x}
Mathematics
Find the vertex.f(x) = -(x + 1)2 - 3
A. (-1, 3) B. (1, -3) C. (1, 3) D. (-1, -3)
Mathematics
Add and simplify. Write the answer as a mixed numeral if possible.
+ 1
+ 1
A. 4
B. 4
C. 5
D. 4
Mathematics