BWA #5 Review Question Preview (ID: 33668)
Review For BWA #5 Tomorrow!
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Describe how the graph of the quadratic function in the form y=a(x-h)^2+k changes when the value of k is increased by 1?
a) translated 1 unit left
b) translated 1 unit right
c) translated 1 unit up
d) translated 1 unit down
What is the complete factorization of 12x^2+2x-4?
a) 2(2x+1)(3x-2)
b) 2(2x-1)(3x+2)
c) 2(2x-1)(3x-2)
d) 2(2x+1)(3x+2)
Describe how the graph of the quadratic function in the form y=a(x-h)^2+k changes when the sign of a changes from negative to positive?
a) reflected in the x-axis
b) reflected in the y-axis
c) translated up 1 unit
d) translated down 1 unit
What are the solutions of the equation x^2-8x-33=0?
a) -3, -11
b) 3, 11
c) 3, -11
d) -3, 11
What is the equation of the parabola that passes through the points (0, 25), (4, 17.4), and (10, 7.5)?
a) y=0.025x^2+2x+25
b) y=0.025x^2-2x+25
c) y=25x^2-2x+0.025
d) y=25x^2+2x+0.025
What is the equation of the parabola that passes through the point (3, -2) and has a vertex (2, 0)?
a) y=-2(x-2)^2
b) y=2(x-2)^2
c) y=-2(x+2)^2
d) y=2(x+2)^2
What is the equation of the parabola that has a vertex at the origin and a directrix x=2.5?
a) x=(1/10)y^2
b) x=-(1/10)y^2
c) x=(1/2.5)y^2
d) x=-(1/2.5)y^2
What is the complete factorization of 12x^2+14x-6?
a) 2(3x+1)(2x+3)
b) 2(3x+1)(2x-3)
c) 2(3x-1)(2x+3)
d) 2(3x-1)(2x-3)
What are the solutions ?
a) x = 1.68, 1.18
b) x = 1.68, -1.18
c) x = -1.68, 1.18
d) x = -1.68, -1.18
What is the maximum of the function h(t)=-5t^2+7t?
a) 2.45
b) 4.25
c) 5.42
d) 4.52
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