Find the vertex, focus, and directrix of the parabola.- 
x2 = y
A. Vertex: V(0, 0); focus: F(0, -10); directrix: y = 10
B. Vertex: V(0, 0); focus: F(-20, 0); directrix: x = 10
C. Vertex: V(0, 0); focus: F(0, 10); directrix: y = -10
D. Vertex: V(0, 0); focus: F(0, -10); directrix: y = -10
Answer: A
Mathematics
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Write the equation in its equivalent logarithmic form.53 = 125
A. log3125 = 5
B.
| log5125 = 3 |
C. log1255 = 3
D. log53 = 125
Mathematics
Right triangle ABC has 
, 
, and 
style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_14455ebf5b3b4469b28aa8009" />. Use this information to find cos A.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Factor completely. If the polynomial is prime, state this.y2 + 2y - 8
A. Prime B. (y + 4)(y - 2) C. (y - 8)(y + 1) D. (y - 4)(y + 2)
Mathematics