Graph the given function. Identify the vertex and the intercepts.y = x2 + 5x + 6
A. Vertex: 
x-intercepts: 3 and 2
y-intercept: 6
B. Vertex: 
x-intercepts: 3 and 2
y-intercept: 6
C. Vertex: 
x-intercepts: -3 and -2
y-intercept: 6
D. Vertex: 
x-intercepts: -3 and -2
y-intercept: 6
Answer: C
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Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.2.0x + 14.0y + 4.7z = 2.55.3x - 7.0y - 0.4z = -2.74.5x + 15.9y - 3.2z = 8.5
A. (0.0, 0.6, -1.0) B. (0.0, 0.4, -0.7) C. (-0.1, 1.7, -2.7) D. (0.1, -1.0, 1.7)
Evaluate the expression. Write answer without exponents.(5.08)1/2
A. 25.8064 B. 2.25389 C. 10.16 D. 0.03875
Find an equation for the parabola described.Vertex at (-1, -2); directrix y = -5
A. y = 
(x + 1)2 - 2
B. x = 
(y + 2)2 - 1
C. y = 
(x + 2)2 - 1
D. x = 
(y + 1)2 - 2
Sketch the graph of the function.f(x) = 
- 4
A. 
B. 
C. 
D. 