Solve the equation.x2 = 4x
A. x = 0, x = -4
B. x = 4
C. x = 0, x = 4
D. x = -4
Answer: C
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Suppose that you have already proved that “The diagonals of an isosceles trapezoid are congruent.” Use this theorem to prove that “A pair of base angles of an isosceles trapezoid are congruent.” Supply missing statements and missing reasons for the proof.Given: Trapezoid ABCD; 
and 
Prove: 
S1. R1.S2. Draw 
and 
R2.S3. 
R3.S4. R4. IdentityS5. 
R5.S6. 
R6.
What will be an ideal response?
State whether the slope of the line is positive, negative, zero, or undefined.
A. zero B. positive C. undefined D. negative
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Factor the trinomial, or state that the trinomial is prime.x2 - 16x + 63
A. (x + 9)(x + 1) B. (x + 9)(x - 7) C. (x - 9)(x - 7) D. prime