Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = -2x2 - 3x + 4
A. opens up
B. opens down
Answer: B
Mathematics
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Identify the property that allows you to conclude that the triangles are congruent. Or, if such a conclusion cannot be made, answer "None."
A. ASA B. SSS C. SAS D. None
Mathematics
Graph the inequality.y ? 2x2 - 2x - 6
A. 
B. 
C. 
D. 
Mathematics
Find the values that make the equation true.
= 
A. x = 6; y = 4; z = 8 B. x = -8; y = 4; z = 6 C. x = 8; y = 6; z = 4 D. x = -8; y = -6; z = -4
Mathematics
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.3 + 6 + 9 + ... + 3n = 
What will be an ideal response?
Mathematics