WorksheetsUnit 3A Review
Total questions: 34
Worksheet time: 2hrs 58mins
Determine if the function graphed has a maximum or a minimum value and identify that value.
maximum at -1
minimum at -1
maximum at 4
minimum at 4
Which answer choice describes y = -3x2 +7x - 2 accurately?
concave up with a y-intercept of -2
concave up with a y-intercept of 2
concave down with a y-intercept of -2
concave down with a y-intercept of 2
y=ax2+bx+c
f(x) = 2x2-2x + 1
What is the range?
[-3, ∞ )
[-1, ∞ )
(- ∞ , ∞ )
(-1, ∞ )
What is the domain?
(-4, -2)
(- ∞ , ∞ )
(-6, 0)
[-1, ∞ )
Does the equation concave up or down?
Y = -3x2 +7x - 2
up
down
What is the vertex form of a quadratic function?
f(x) = 2a(x-h)2 + k
f(x) = a(x-h)2 + k
f(x) = (x+h)2 + k
f(x) = a(x-h) - k
What is the axis of symmetry in a function?
The transformation of the graph
The vertex, represented by (h,k)
A vertical line that passes through the vertex and divides the parabola in half
y = h
What is the axis of symmetry in the function f(x) = (x-1)2 +2
x = 1
x = -1
x = 2
x = -2
Identify the vertex of f(x) = -2(x+1)2 + 3
(h,k)
(3, 1)
(-1,-3)
(-1,3)
What does the quadratic function that has a vertex of (3,4) look like?
y = a(x+3)2 + 4
y = a(x-3)2 + 4
y = -a(x+3) - 4
y = a(x-3)2 - 4
What is the range of f(x) = 2(x+3)2 + 1?
y ≥ 3
y ≥ 1
y ≤ 3
y ≤ 1
What steps transform the graph y = x2 to y = 2(x+2)2 - 5?
vertical compress by 2, shifted 2 units left and 5 down
horizontal stretch by 5, shifted 5 units left and 2 down
vertical stretch by 2, shifted 2 units left and 5 down
horizontal compress by 5, shifted 2 units left and 2 down
What steps transform the graph y = x2 to y = -1/2(x-4)2 + 1?
vertical compressed by 1/2, shifted 4 units right and 1 unit up
Reflected across x-axis,vertical compressed by 1/2, shifted 4 units right and 1 unit up
Reflected across x-axis, vertical stretched by 1/2, shifted 4 units left and 1 unit up
horizontal stretched by 1/2, shifted 4 units right and 1 unit down
Identify the vertex of f(x) = 5(x+6)2 - 7
(5,6)
(0,0)
(6,-7)
(-6,-7)
What steps transform the graph y = x2 to y = x2 + 8
shifted up 8 units
shifted down 8 units
shifted left 8 units
shifted right 8 units
What steps transform the graph y = x2 to y = (x-4)2
Shifted down 4 units
Shifted left 4 units
Shifted right 4 units
Shifted up 4 units
f(x)= 2(x+3)2 - 4
The solutions, roots, x-intercepts, and zeros of a quadratic equation are all the same thing.
