Find the vertex of the parabola.f(x) = 2x2 + 8x + 3
A. (-2, -5)
B. (5, 2)
C. (2, 5)
D. (-5, -2)
Answer: A
Mathematics
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Find the length and direction (when defined) of u × v.u = 4i + 2j + 8k, v = -i - 2j - 2k
A. 6
; 
i + 
k
B. 180; 
i + 
j + 
k
C. 6
; 
i - 
k
D. 180; 
i + 
k
Mathematics
Solve the equation for all values 0 ? x ? 2?.sec 
= cos 
A. x = 
, 
B. x = 0, 2?
C. x = 0, 
, ?, 
D. x = 
, 
, 
, 
, 
, 
, 
Mathematics
Find the equation for the line described.the line passing through the point (1, -2) and having slope 3
Fill in the blank(s) with the appropriate word(s).
Mathematics
The equation is in the form y = mx + b. Identify m and b.y = 15
A. m = 15; b = 0 B. m = 0; b =0 C. m = 15; b = 15 D. m = 0; b = 15
Mathematics