Solve and check.x2 - 4 = 0
A. -2, 0, 2
B. -2, 2
C. 2
D. -2
Answer: B
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Provide an appropriate response.Over what intervals of x-values, if any, does the function y = 2x2 increase as x increases? For what values of x, if any, is y ' positive? How are your answers related?
What will be an ideal response?
Rewrite the expression with a positive rational exponent. Simplify, if possible.
A. y1/2
B. y
C. y3/4
D. 
Fill in the blanks.62 = 
so 
= 6.
A. 36, 6 B. 36, 36 C. 6, 6 D. 6, 36
Sketch the graph of the equation. Identify the vertex and the intercepts.y = - x2 - 2x - 1
A. Vertex: (-1, 0);
x-intercept: (-1, 0);
y-intercept: (0, 1)
B. Vertex: (1, 0);
x-intercept: (1, 0);
y-intercept: (0, 1)
C. Vertex: (-1, 0);
x-intercept: (-1, 0);
y-intercept: (0, -1)
D. Vertex: (1, 0);
x-intercept: (1, 0);
y-intercept: (0, -1)