Numbers Sense
When multiplying numbers with like bases, you should _____________________ the exponents.
Example: 53 x 52 = 5?
ADD
Example: 53 x 52 = 55
What is the geometrical term for a "slide"?
A translation
Solve for x:
5 + x = 11
x = 6
A system of equations is shown below.
y = 2x + 2
y = 2x + 2
Which statement describes the solution to this system?
A. No Solution
B. Exactly One Solution
C. Infinite Solutions
A positive slope is ____________________.
A. Upward
B. Downward
Upward
A negative slope is downward.
Calculate: 8 - (-5 + 3 x 7) = _______________
-8
How many degrees are in a triangle?
180 degrees
Solve for x:
2x - 2 = 14
x = 8
A system of equations is shown below.
y = 3x + 1
y = 3x + 5
Which statement describes the solution to this system?
A. No Solution
B. Exactly One Solution
C. Infinite Solutions
A. No Solution
Which value is closest to the square root of 51?
A. 6.5
B. 7
C. 7.5
D. 8
Which two integers is the √71 between?
A. 6 and 7
B. 11 and 12
C. 10 and 11
D. 8 and 9
D. 8 and 9
List the 3 Rigid Motions of Geometry.
Translation
Rotation
Reflection
NOTE: Dilation is a TRANSFORMATION but NOT a Rigid Motion.
Solve for x:
6 - 3x = 18
x = -4
A system of equations is shown below.
3x + 2y = 6
y = 3
Which statement describes the solution to this system?
A. No Solution
B. Exactly One Solution
C. Infinite Solutions
B. Exactly One Solution
For a function to be true, every input should ________________ have EXACTLY one output
A. Always
B. Sometimes
C. Never
A. Always
In the following equation, what is the value of c?
8c= (8-4)5
c = ______
c = -20
Remember a power of a power represents multiplication of exponents.
John knows two of the angle measures of triangle PQR. Angle Q is 75 degrees and angle R is 51 degrees. What is the measure of angle P?
P = 54 degrees
Solve: 180 - (75 + 51) = 54 degrees
Solve for x:
2x + 6 = x + 12
x = 6
When a system of linear equations is graphed, what is the solution to the system of linear equations?
A point on a graph or a coordinate point.
What expression is equivalent to:
(73)5 x 74 = 7?
719
Explanation:
(73)5 x 74 = 7?
715 x 74 = 719
What is 3√25 ?
15
How to solve: √25 = 5
3 x 5 = 15
We are given a right triangle and asked to solve for the missing length c, or the hypotenuse, of the triangle. We are given that length a = 3 inches and length b = 4 inches. What is the length of side c?
c = 5 inches by the Pythagorean Theorem
A2 + B2 = C2
32 + 42 = 52
9 + 16 = 25
Solve for x:
5x - 6= 3x + 4
x = 5
A system of equations is shown below.
3x + 2y = 6
y = 3
Solve for the solution to the system of equations. The solution should be a coordinate point.
(0, 3)
Explanation: 3x + 2 (3) = 6
3x + 6 = 6
3x = 0
x = 0
When a scatter plot shows no association, what do we notice about all the points on the graph?
They are all spread out, dispersed, no patterns are seen, it is found in the middle of the graph, etc...