Find the vertex form of the quadratic function f(x) = x² + 2x + 9.
What will be an ideal response?
f(x) = (x + 1)²+ 8
Mathematics
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Describe the solution set as an inequality and in interval notation. |x| > -4
A. 4 B. -4 < x < 4; (-4, 4) C. empty set D. the set of real numbers; (-?, ?)
Mathematics
Classify the triangle as acute, right, or obtuse and classify it as equilateral, isosceles, or scalene.
A. Right, isosceles B. Obtuse, isosceles C. Right, scalene D. Right, equilateral
Mathematics
Use the square root method to solve the equation. x2 - 64 = 0
A. 32 B. 8 C. ±9 D. ±8
Mathematics
Solve the equation
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics