แผ่นงานGeorgia Algebra 1 EOC Review Unit 3
คำถามทั้งหมด: 15
Which expression is equivalent to 121x2−64y2
(11x-16y)(11x+16y)
(11x-16y)(11x-16y)
(11x+8y)(11x+8y)
(11x+8y)(11x-8y)
24x2+16x+144
What is the common factor for the expression:
16
8
3x2+2x+18
8(x−2)(3x2+9)
2x2+x−3
What are the zeros of the function represented by the quadratic expression:
x=−23and x=1
x=−32 and x=1
x=−1 and x=32
x=−1 and x=−23
What is the vertex of the graph of: f(x)=x2+10x−9
(5,66)
(-5,-9)
(5,-9)
(-5,-34)
x2+8x−30
Which of these is the result of completing the square for the expression?
(x+4)2−30
(x+4)2−46
(x+8)2−30
(x+8)2−94
x2+10x−24
Which of the following is a binomial factor of the polynomial?
(x+4)
(x-12)
(x-4)
(x+12)
Factor the trinomial: x2+6x−40
(x+8)(x−5)
(x+10)(x+4)
(x−10)(x+4)
(x+12)(x−6)
If the original parabola is defined by y=x2 how would it change y=2(x−3)2+1 were graphed instead
The parabola would be vertically stretched by a factor of 2, tanslated right 3, up 1
The parabola would be vertically compressed by a factor of 1/2, translated left 3, down 1
The parabola would be vertically compressed by a factor of 1/2, translated right 3, down 1
The parabola would be vertically stretched by a factor of 2, translated left 3, up 1
A baseball is hit by a batter. The function h(t)=−16t2+48t+2 describes the height in feet of the baseball as a function of time, t, in seconds. What is the maximum height of the ball?
16ft
38ft
48ft
50ft
How would shift the parent function y=x2 to graph the function y=(x−4)2+5
The function would be shifted 4 units to the right and 5 units down.
The function would be shifted 4 units to the right and 5 units up
The function would be shifted 5 units to the right and 4 units down
The function would be shifted 5 units to the left and 4 units up.
The axis of symmetry of a parabola does not always contain which point?
Maximum or Minimum
Vertex
Midpoints of the x-intercept
y-intercept
The parent function f(x)=x2 is reflected across the x-axis, vertically stretched by a factor of 4 and translated right 3 units to create g(x). Use the description to write the quadratic function in vertex form.
g(x)=−4(x+3)2
g(x)=4(x+3)2
g(x)=4(x−3)2
g(x)=−4(x−3)2
Which function has its vertex below the x-axis?
f(x)=x2−8
f(x)=(x−7)2
f(x)=−2x2
f(x)=−(x+3)2
Does the function f(x)=x2−10x+18 have a maximum or a minimum? What are its coordinates?
Maximum; (5,-7)
Minimum; (5,-7)
Maximum; (-5,-7)
Minimum; (-5,-7)
What is the value of the function f(x)=x2−5x+2 evaluated at x=2
16
6
2
-4
แป้นคำตอบGeorgia Algebra 1 EOC Review Unit 3
คำถามทั้งหมด: 15
(11x+8y)(11x-8y)
8
x=−23and x=1
(-5,-34)
(x+4)2−46
(x+12)
(x+10)(x+4)
The parabola would be vertically stretched by a factor of 2, tanslated right 3, up 1
38ft
The function would be shifted 4 units to the right and 5 units up
y-intercept
g(x)=4(x+3)2
f(x)=x2−8
Minimum; (5,-7)
-4