Transcript jeopardy SB unit 5 day 12

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Equations
Expressions
Linear
Functions
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Application Polynomials
What equation do you get
when you solve 2x + 3y = 12
for y?
A. y = -2/3 x + 4
B. y = -2/3 x + 12
C. y = -2x + 12
D. y = 12 – 2x
A
Which equation has
a solution of 4?
A. 0 = 8 + 2y
B. 5x + 3 = 23
C. 8a – 10 = 42
D. 2t – 1 = 9
B
The formula for the
circumference of a circle is
C = 2πr. What is the
formula solved for r?
A. r = C·2 π
B. r = 2 π
C. r = C/2 π
D. r = C π/2
C
The width of a rectangle is x and
the length is (x + 5). What is the
value of x if the perimeter of the
rectangle is 82?
A. 18
B. 2
C. ½
D. 1/6
A
What equation do you get when
you solve
–ax + by2 = c for b?
A. b = (c – ax)/y2 B. b = y2(c + ax)
C. b = (c + ax)/y2 D. b = c/y2 + ax
C
What is the value of
4
-3 ?
A. -81
B. -12
C. 12
D. 81
A
Which expression does NOT
12
equal 25n ?
A. (5n6)2
B.
3
9
(5n )(5n )
C.
3
9
25(n )
D. 52(n2)6
C
Which expression is
2
4
3
equivalent to (3m n )
A. 27m6n12
B. 9m6n12
C. 27m5n7
D.
5
7
9m n
A
If x = -2, y = 3, and z = 4,
which expression has the
greatest value?
A. z(x – y)
B. z(x – y)2 – x
C. z(x – y)3 + x
D. z/x - xy
B
What is the simplified
form of 5x 2 y 3
3
3x y
5
A.
5x y
3
2
4
7
B.
3
5x y
3 4
C. 3x y
5
3 xy
7
D.
5y
5
3x
B
What is the slope of the line
given by the equation:
y = -6x – 6.5?
A. -7
B. -6.5
C. -6
D. -5.5
C
Find the slope of the
line through the points
(2, 9) and (5, 33)?
A. 4
B. 21/4
C. 8
D. 31/4
C
Write the equation of a line with
slope 3 going through the point
(5, 1)
A. y = 3x + 1
B. y = 5x + 3
C. y = 3x - 4
D. y = 3x - 14
D
Which equation best describes
the pattern shown in the table?
X
Y
-2
-4
-1
-2
0
0
1
2
2
4
A. y = x – 2
B. y = x – 1
C. y = x
D. y = 2x
D
The table shows the price of a bus ticket
based on the number of miles traveled.
Which value best approximates x when
P(x) = 100?
Miles=x 100
Price=P $50
150
$70
200
$90
250
$110
A. x = 50
B. x = 225
C. x = 175
D. x = 100
B
You ship an 8-lb care package to
your friend at college. It will cost
you $0.85 per pound, plus a flat fee
of $12 to ship the package. How
much will you pay to ship the
package?
A. $6.92
B. $10.20
C. $12.85
D. $18.80
D
Bill has a $10 coupon for a party
store. He needs to buy some
balloons for a birthday party. If
each balloon costs $2, and Bill uses
his coupon, what is an equation
that gives the total cost, y, of his
purchase?
A. y = 2x
B. y = 2x – 10
C. y = 2x + 10
D. y = 10 – 2x
B
The cost of a gallon of milk m is
$0.50 more than five times the
cost of a gallon of water w. If a
gallon of milk costs $3.75, what is
the cost of a gallon of water?
A. $19.25
B. $0.85
C. $0.65
D. $3.25
C
A high school soccer team is making
trail mix to sell at a fundraiser. The
recipe calls for 3 lb of raisins and
2lb of peanuts. If the team
purchases 54 lb of peanuts, how
many pounds of raisins will they
need?
A. 27
B. 36
C. 81
D. 162
C
The box plot represents the scores on
a math test. Jami scored 90.5 on the
test. What percentage of students
scored less than Jami?
A. 25%
B. 50%
C. 75%
D. 90%
C
What is a simpler form of
(3x2 + 6x – 1) + (4x2 + 5x + 9)?
A. –x2 + x – 10
B. x2 – x + 10
C. 7x2 + 11x + 8
D. 7x2 + 11x + 10
C
Which expression is
equivalent to (x + 4)(x – 9)
A. x2 + 5x – 36
B. x2 – 5x – 36
C. x2 – 13x – 36
D. x2 – 13x - 5
B
What is a simpler form of
(2x + 5)(2x – 5)?
A. 4x2 – 20x – 25
B. 4x2 + 20x + 25
C.
2
4x
– 25
D. 2x2 - 5
C
Which expression is equal to
3(x2 + 1) – 5x(x2 + x + 1)?
A. -5x3 + 8x2 + 5x + 3
B. -5x3 – 2x2 – 5x + 3
C.
3
-10x
D.
3
5x
–
+
2
x
2
2x
– 7x + 6
– 5x + 3
B
The volume of a rectangular prism is
given by the formula V = LWH. Find
the volume of a rectangular prism with
L = x + 1, W = x + 4, and H = 2
A. 2x2 + 8
B. 2x2 + 10x + 8
C. x2 + 5x + 4
D. 2x2 + 5x + 4
B
Make your wager
Solve for a:
7(6 – 2a) = 5(-3a + 1)
a = -37