Simplify the expression. If any variables exist, assume that they are positive.2
- 
A. 2(x -1)
B. 2x
- 1
C. (x -1)
D. (2x -1)
Answer: D
Mathematics
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Use a graphing calculator to graph the equation.y = -2x2
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.
What is the domain and range of the equation in the graph?
A. domain: [-2,2], range [-2,2] B. domain: [-4,4], range [-4,4] C. domain: [-2,2], range [-4,4] D. domain: [4,-4], range: [-2,2]
Mathematics
If possible, write a statement that can be deduced from the following statement. If impossible, write “no deduction possible.” If a triangle has two congruent angles, then it is an isosceles triangle. ?A in ?ABC is 45°.
What will be an ideal response?
Mathematics
Solve the equation.Solve sin ? = 
for ?, where 0° ? ? ? 90°.
A. 30° B. 90° C. 60° D. 45°
Mathematics