Find the vertex, focus, and directrix of the parabola. Graph the equation.(y + 2)2 = (x - 3)
A. vertex: (2, -3)
focus: (2.25, -3)
directrix: x = 1.75
B. vertex: (3, -2)
focus: (3, -1.75)
directrix: y = -2.25
C. vertex: (3, -2)
focus: (3.25, -2)
directrix: x = 2.75
D. vertex: (-3, 2)
focus: (-3, 2.25)
directrix: y = 1.75
Answer: C
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 figure 2.png)
Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(-5x5)(3x4)
A. 8x9 B. 8x20 C. -15x20 D. -15x9
Indicate whether the statement is true or false.
is a rational number
A. True B. False
Find an equation of the line, and write it in (a) slope-intercept form if possible and (b) standard form.Through (-8, 11) and parallel to 7x - 9y = -110
A. (a) y = - 
x + 
(b) -8x - 9y = -110
B. (a) y = 
x + 
(b) 7x - 9y = -155
C. (a) y = - 
x - 
(b) -7x - 9y = 155
D. (a) y = 
x + 
(b) -9x + 7y = - 11