8th
What transformation is created by sliding an object?
Translation
What is the square root of 81?
9
What's the y-intercept in y=3x-1
-1
What is the value of the expression 3x2 - 1 when x=-1
2
All triangles should add up to what degree?
180 degrees
How do you find Constant of Proportionality?
y divided by x
Solve for x:
x/5 + 2 = 1
-5
In a right triangle, a and b are the lengths of the legs and c is the length of the hypotenuse. If a=12 inches and b=5 inches, what is c?
13
A right triangle has an angle that measures 43 degrees. Find the missing angle.
47 degrees
What is the definition of slope?
Rise/Run or how steep the line is.
Express your answer as a single term using exponents
425 * 427 * 42-1
4111
Solve for y:
2(y-2) = 3x +2
y = 3x/2 +3
If point A (-4, -4) is reflected over the x axis, what would the new coordinates be?
(-4, 4)
Write answer in Scientific Notation
(1.2 * 1011)(8.5 * 10-4)
1.02 * 108
Solve for x:
3x - (x-2) = 6x - 2
x=1
What is the rule for dividing exponents when the numbers have the same base?
take the exponent value in the numerator (the top exponent) and subtract the exponent value of the denominator (the bottom exponent). Keep the base!
How do you know if two shapes are ¨congruent?¨
Same shape and same size
Is (3,-4) a solution to the equation 3x - 4y = 25. Show work.
Yes.
Do the following lengths make sides of a triangle? If yes, what kind?
a = 2, b = 6, c = 10
No
What is 0.0724 written in Scientific Notation?
7.24 x 10-2
What is the solution to a system of equations?
All of the places that the 2 equations have in common or where they intersect.
Find the slope of the line that passes through (3, 3) and (8, 5)
2/5
What is the solution given the system of equations:
y = 2x - 2
y = 2(x-1)
Infinite solutions
Do the following lengths make sides of a triangle? If yes, what kind?
a = 6, b = 8, c = 11
Yes, obtuse and scalene.
Convert to slope-intercept form.
2x + y -10 = 9x - 7
y= 7x +3
Write answer in Scientific Notation
(9.7 * 108) - (9.77 * 107)
8.723 * 108
Is (1, -2) a solution to the system of equations:
y = -5x + 3
y = x - 3
Yes.
Find the x and y intercepts of the line 2x - 4y =12
x int: (6,0)
y int: (0,-3)
Factor (reverse distributive property)
9x - 24
3(3x - 8)
What do you call a shape that is 2x the original size?
dilation