Find an equation of the parabola described.Directrix the line y = 3; vertex at (0, 0)
A. y = - 
x2
B. y = -12x2
C. x = 3y2
D. x = - 
y2
Answer: A
Mathematics
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Provide an appropriate response.(a) If A is the coefficient matrix of the system 
, determine A-1.(b) Use A-1 to solve the system.
What will be an ideal response?
Mathematics
Provide missing statements for the following proof.Given: 
and 
are right angles; 
Prove: 
S1. R1. GivenS2. R2. All right angles are congruent.S3. R3. IdentityS4. R4. SASS5. R5. CPCTC
What will be an ideal response?
Mathematics
Use integration by parts to find the integral. Round the answer to two decimal places if necessary.
dxGive your answer in exact form.
A. -6e-7 + 1 B. -8e-7 + 1 C. -8e-7 D. -8e-7 - 1
Mathematics
Simplify the expression. Include absolute value bars where necessary.
A. -
B. 4
C. 
D. -4
Mathematics