Fractions/Exponents
Which fraction is equivalent to 0.83333?
3/8, 5/8, 5/6, 8/9
5/6
17
What type of function is defined as a straight line?
Linear
Solve for x.
2x-3 = 3(x+2) - 30
x = 21
What is the pythagorean theorem equation?
a2 + b2 = c2
6/11, 5/22, 2/15, 3/15
3/15
Find the square root of 100.
10
Describe 2 ways to determine if a function is a linear function.
1) It is a straight line
2) Vertical line test
Which best describes the solution to the following equation? 4x + 6 = 2x + 3
One solution, no solutions, many solutions, infinite solutions
One solution
Find C:
a= 36 inches
b= 48 inches
C= 60 inches
Simplify: (33) (32)
35 = 243
What is the cube root of 216?
6
Is this number in scientific notation?
12.389 x 103
EXPLAIN!!!!
No, because 12 is not a number between 1 and 10.
x + 5 = 2x + 10
x + 15 = 2x + 8
x + 2 - x = -2x + 5 + 2x
x + 2 - x = -2x + 5 + 2x
Find C:
a = 6
b = 8
C = 10
Simplify: 79 divided by 76
73 = 343
The volume of a cube can be found using the equation s3. What is the volume of a cube that has a side, s, of 8 inches?
512 cubic inches
Which function is nonlinear?
y= x2 + 2
y= 2x + 13
y= 0.15x + 0.75
y= x2 + 2
The equations y= -x+6 and y= x+2 were graphed below. What is the solution to the system of equations according to the graph?
**picture is in email
(-2, 4) (2,4) (4,-2) (4,2)
(2,4)
Find a:
b = 24
c = 25
a = 7
Are they equivalent?
22 x 28
(43) (42)
yes
What is the best approximation of the square root of 80?
Round to the nearest tenth!
8.9
Which set of ordered pairs is NOT a function?
(0,0) (0,2) (0,4) (0,6)
(1,4) (2,7) (3,11) (4,16)
(1,3) (2,5) (3,6) (4,7)
(0, 0) (0,2) (0,4) (0,6)
What is the solution to the following equation?
y= 3x +4
y= 2x + 6
(2,5) (2,10) (5,10) (6,4)
(2,10)
Which set of numbers are dimensions for a right triangle?
5, 11, 13
9, 12, 15
11, 9, 13
9, 12, 15