Simplify the expression. Assume that all variables are positive when they appear.
A. ±4
B. 4
C. 8
D. 16
Answer: B
Mathematics
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Arrange the fractions in ascending order. Or, if the fractions are equivalent, answer "Equivalent".
, 
A. 
, 
B. 
, 
C. Equivalent
Mathematics
Determine the vertex and the x-intercepts. Then sketch the graph.y = x2 + 5x + 6
A. 
Vertex: 
;
x-intercepts: (-3, 0) and (-2, 0)
B. 
Vertex: 
;
x-intercepts: (-3, 0) and (-2, 0)
C. 
Vertex: 
;
x-intercepts: (3, 0) and (2, 0)
D. 
Vertex: 
;
x-intercepts: (3, 0) and (2, 0)
Mathematics
Write an equation for the parabola.vertex: (-3, 4), directrix: y = 10
A. (y + 3)2 = 8(x - 4) B. (x + 3)2 = -24(y + 4) C. (x + 3)2 = -24(y - 4) D. (y + 3)2 = -24(x - 4)
Mathematics
Solve. Write the answer as a mixed number in simplest form.Find the perimeter of the triangle.
A. 32
ft
B. 32
ft
C. 91
ft
D. 32
ft
Mathematics