WorksheetsTest 2: Quadratic expressions and equations
Total questions: 25
Worksheet time: 3600secs
Name
Class
Date
1.
What is the green dot on the parabola called?
a)
maximum
b)
minumum
c)
roots
d)
zeros
2.
What are the green dots called?
a)
axis of symmetry
b)
vertex
c)
parabola
d)
roots or x-intercepts
3.
Standard form of a quadratic equation
a)
y=x²
b)
y=ax²+bx+c
c)
y=mx+b
d)
y=x
4.
Does this parabola have a maximum or minimum?
a)
Maximum
b)
Minimum
5.
A parabola is upside-down when a is:
a)
negative
b)
positive
c)
0
d)
infinite
6.
True or false:
The solution, root, x-intercept, and zero of a problem are all the same thing
The solution, root, x-intercept, and zero of a problem are all the same thing
a)
True
b)
False, because the solution and root are the same but the x-intercept and zero are different
c)
False, because the x-intercept and root are the same but the zero and solution are different
d)
False, they are all different
7.
Identify the 'b' value: y = 16x2 -8x -24
a)
16
b)
-8
c)
8
d)
-24
8.
y=2x2-6x+1 is in what form?
a)
Vertex Form
b)
Factored form
c)
Standard Form
d)
Cannot be determined
9.
.How many zeros does this parabola have?
a)
3
b)
2
c)
0
d)
1
10.
Factor: x2 – 5x – 24
a)
(x - 5)(x + 19)
b)
(x - 8)(x + 3)
c)
(x - 3)(x + 8)
d)
(x - 19)(x + 5)
11.
Factor: x2 + 2x – 3
a)
(x - 2)(x + 1)
b)
(x + 1)(x - 3)
c)
(x + 2)(x - 1)
d)
(x - 1)(x + 3)
12.
Factor
n2-13n+40
n2-13n+40
a)
(n-5)(n-8)
b)
(n+5)(n-8)
c)
(n-5)(n+8)
d)
(n+6)(n+1)
13.
Is this a perfect square trinomial?
x2 + 16x + 64
x2 + 16x + 64
a)
Yes
b)
No
14.
Is this a perfect square trinomial?
x2 + 18x + 9
x2 + 18x + 9
a)
Yes
b)
No
15.
Is this a perfect square trinomial?
x2 + 6x + 9
x2 + 6x + 9
a)
Yes
b)
No
16.
Factor: x2 + 24x + 144
a)
(x + 12)2
b)
(x + 9)2
c)
(x + 15)2
d)
(x + 13)2
17.
Factor: x2 - 4x + 4
a)
(x + 2)2
b)
(x - 2)2
c)
(x + 4)2
d)
(x - 4)2
18.
x2=16
a)
x=4, -4
b)
c)
x=16,-16
d)
x=2,-2
19.
x2-1=3
a)
b)
c)
x=1,-1
d)
x=2,-2
20.
-3x2 = 99
a)
√33
b)
√33, -√33
c)
No Real Solutions
d)
-√33
21.
-7x2 +21 = 14
a)
1
b)
-1
c)
NO Real Solutions
d)
1, -1
22.
What do you do to the b value to correctly complete the square?
a)
square it
b)
divide it by 2 and square the result
c)
divide it by 2 and take the square root of the result
d)
divide it by 2 only
23.
What is the first step to solving THIS equation by completing the square?
a2 + 10a + 21 = 0
a2 + 10a + 21 = 0
a)
Set the equation equal to zero
b)
Divide 10 by 2 and add the result to both sides
c)
Add a2 and 10a together
d)
Subtract the 21
24.
Solve the following equation by completing the square:
n2 - 2n - 3 = 0
n2 - 2n - 3 = 0
a)
{3 and-1}
b)
{4 and -4}
c)
{5 and -3}
d)
{8 and -7}
25.
Use the Zero Product Property to solve the equation (7x+2)(5x-4)=0
a)
2,-4
b)
2/7 , 4/5
c)
-2/7 , 4/5
d)
-2, 4
100 %
