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WorksheetsTest 6: Quadratics (part 2) REVIEW
Total questions: 75
Worksheet time: 5hrs 25mins
3x2 – 8x + 1
6w2 - 9w3
- 3x3 - x2 - 10x + 12
Describe the expression 2x2+3x by its number of terms.
monomial
binomial
trinomial
multinomial
(4 terms and above)
Not a polynomial
Describe the expression 5y3+4y by its number of terms.
monomial
binomial
trinomial
multinomial
(4 terms and above)
Not a polynomial
If the expression 5y3+4y is a polynomial, what is its degree?
2
1
0
Not a polynomial
3
If the expression x−2+5x−1+4 is a polynomial, what is its degree?
3
0
1
Not a polynomial
2
If the expression 61n+21n3+31n2 is a polynomial, what is its degree?
1
2
3
Not a polynomial
0
3x3 – 6x
2x – 9
7x3 - 11x2 + 8x - 5
2x² + 4x − 5
(3x + 2)(2x + 4)
(3x – 1)(x + 5)
Write the expanded (general) form of the product (x+3)(x+6).
x2+18x+9
x2+9x+18
x2+18x+18
Multiply binomials using box method
2x3 -4x +3
2x + 5x -3
2x2 -5x -3
2x -6x + 2
Which of the following is the correct set up for the Box Method when multiply (x + 3) (2x - 4) (click on the question to see the image in the background)
A
B
C
D
Which of the following is the correct box method set-up to solve (x+2)(x+3)= ?
Multiply binomials using box method (2x +1) (x - 3).
2x3 -4x +3
2x + 5x -3
2x2 -5x -3
2x -6x + 2
What method is this?
Distributive Method
FOIL Method
Multiplication Method
Box Method
What term should go in the blue box?
21x^2
21x
10x^2
10x
What does it mean for two terms to be considered "like terms"
They have the same number
They have the same variable
They have the same variable/exponent combination
They have the same sign
Which of the following could be the correct set up for the Box Method when multiply (x + 3) (2x - 4) (click on the question to see the image in the background...yes we usually use the right side)
A
B
C
D
When multiplying binomials using FOIL, what does each letter represent?
First, Outer, Inner, Last
Fresh, Old, Izzy, Last
First, Old, Icky, Last
Fly, Outer, Inner, Lazy
Kate multiplied two binomials using the distributive property. She made a mistake in one of the steps. Where did she first make a mistake?
Step 1
Step 2
Step 3
Step 4
(x + 7)2
1)Factor: x2 + 6x + 8
(x + 4)(x + 3)
(x + 2)(x + 3)
(x + 4)(x + 2)
(x + 5)(x + 1)
x2 + 9x - 36
k2 - 2k - 24
Select one of the factors of the quadratic expression.
x2 + 5x - 14
(x + 14)
(x + 2)
(x + 7)
(x - 3)
Which binomial is a factor of the polynomial?
3x2 + 7x + 2
(x - 1)
(x - 2)
(x + 6)
(3x + 1)
Factor the polynomial completely.
6x2 - 3x + 2
(3x + 2)(2x + 1)
(2x - 2)(3x - 1)
(3x - 2)(2x - 1)
cannot be factored.
Factor the expression: 21z2 - 70z + 49
7(3z - 7)(z - 1)
7(3z + 7)(z + 1)
7(3z - 7)(z + 1)
7(3z + 7)(z - 1)
Factor the expression: -2h2 + 4h + 70
-2(h + 7)(h + 5)
-2(h - 7)(h - 5)
-2(h + 7)(h - 5)
-2(h - 7)(h + 5)
Factor the expression: 10v2 + 11v - 8
(5v + 8)(2v + 1)
(v + 8)(v - 1)
(5v + 8)(2v - 1)
(10v - 8)(v + 1)
x2 - 8x + 15
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
What is another word for zeros?
y-intercepts
roots
vertex
axis of symmetry
Solve the following quadratic equation...
x2 + 13x + 36= 0
x = -2
x = -18
x = -9
x = -4
x = -3
x = -12
x = -6
x = -6
Factor the following equation:
x2−3x−4=0(x-2) (x+2) = 0
(x-2)(x-2) = 0
(x+4)(x-1) = 0
(x-4)(x+1) = 0
Factor out the GCF for the following equation:
x2−2x=0x (x - 2)
x (x - 1)
2(x- x)
x
x2 + 9x + 20 = 0
x2 - 49 = 0
2x² - 3x - 2 = 0
Find all the solutions for x.
SHOW ALL WORK ON PAPER!
x2−36=−9x
(x + 12)(x - 3)
x = 12 and x = -3
x = -12 and x = 3
(x - 9)(x - 4)
Solve x2−25=0
5 and -5
5
-5
no solution
r(r+7)=0
r=0, r=−7
r=0, r=7
r=−7
r=7
x2 + 6x - 13 = 3
Solve by factoring. (HINT: Factor GCF 1st)
x = 3, x = -6
x = 0, x = 2
x = 2, x = 3
x = -2, x = 1
Solve by factoring: 2x2 - 5x - 12 = 0
x = -4 and x = -6
x = 4 and x = -3/2
x = 4 and x = 6
x = -4 and x = 3/2
x2 - 14x - 51 = 0
x= 17 and -3
x= -17 and 3
x= -17 and -3
x = 17 and 3
Solve.
3x² + 5x = 12
x = -4/3, x = 3
x = 4/3, x = -3
x = -1, x = 4
x = 1, x = -4
Factor out GCF first if necessary.
What is the factored form of:
2x2−2x−24
Move the correct answer to each box. Not all answers will be used.
(a) (x+ (b) )(x- (c) )
Solve using Factoring.
x2 - 6x + 9 = 0
x = 3, 3
x = -3, -3
x= -4, -2
not factorable
An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation
s(t) = –16t2 + 64t + 80
What will be the object's maximum height?
2 ft
80 ft
144 ft
64 ft
A frog is sitting on the ground when he is scared by a big dog. His movement is modeled by the equation h = -6t2 + 6t where h is the frog's height at any given time, t . How many seconds until the frog is back on the ground?
0.5 seconds
1 second
1.5 seconds
2 seconds
3 seconds
Your nephew is standing on his deck, which is 4 feet off the ground. He tosses his toy up into the air. The equation
h = -2t2 + 7t + 4 models the toy's height, h, from the ground at t seconds after he threw it. How high is the toy after 1 second?
2
4
9
10
15
Your cousin hit a golf ball with an initial velocity of 27 feet per second. The equation h = -6t2 + 27t models the golf ball's height in feet t seconds after the ball was hit. How long after being hit did the ball reach maximum height?
1 second
2.25 seconds
3 seconds
4.5 seconds
5 seconds
A toy rocket is launched from the top of a 48-foot hill. The rocket's height, h(x), is modeled by the
equation h(x) = -16x2 + 32x +48 after x seconds. How high was the rocket at 2 seconds?
3
32
48
64
100
You jump off a 24 foot high cliff and your fall is modeled by the function:
h(t) = -16t2 + 8t + 24
How long would it take you to hit the water?
8 seconds
1 second
1.5 seconds
1/4 second
Heather dropped a water balloon over the side of her school building from a height of 80 feet. The approximate height of the balloon at any point during its fall can be represented by the following quadratic equation:
h = -16t2 + 80
About how long did it take for the balloon to hit the ground?
1.73 seconds
2.24 seconds
2.45 seconds
2.83 seconds
