Middle School math 3
On the Coordinate Plane which axis is Vertical?
Y-Axis
10 - 90 - 10
-90
On a coordinate plane which axis is horizontal?
What quadrant is the coordinate (-5, -2) in?
Quadrant 3
If I am in Quadrant 1 and Rotation my shape 180 degrees what Quadrant am I in?
3rd Quadrant
Find the Slope of these ordered Pairs (1,-19)(-2,-7)
-4
What Does Congruent mean?
Two Figures or objects that have the same shape/size
Simplify the expression:
5x - 2y + 3x + 2y
8x
How do you express 5 x 5 x 5 x 5 using an exponent?
54
When you Reflect over the X-axis what changes?
Your "y" coordinate is negated
42 - 2 X 10
22
Solve 2 = a + 9
a = -7
-3 - (-9)
6
What does the Roman numeral IV equal?
4
What tells us if we have similar shapes or not? Or what is the transformation that occurs?
Scale factor / Dilation
Simplify: 5(x - 7) + 6
5x - 29
Solve -3 = 3a + 6
-3 = a
15(20+d) =420 solve for d
d= 8
Solve for n
2n - 15 = -5n + 4n
n = 5
When you reflect over the Y-Axis what changes?
Your X coordinates are negated
Combine like terms
6x - 2x + 4 + y - 3y + 8 - x
3x - 2y + 12
___ , 7 , 32 , 57 , ___ , 107, 132
What are your missing numbers?
1) -18
5) 82
1/2 = 2/5z solve for z
z= 1 1/4 (5/4)
Solve for a:
4(2a + 6) = 72
a = 6
What is the missing measure of a right triangle's angle if the other angle is 25 degrees?
65 degrees