8th Grade Mental Math
17 * 3
51
There are _______ quadrants on a coordinate plane
4
Rise over run
What is slope?
½, 1/5, ¾;FRACTIONS THAT ARE MADE UP OF INTEGERS, TERMINATING DECIMAL NUMBERS, AND NON-TERMINATING DECIMAL NUMBERS WITH INFINITELY REPEATING PATTERNS.
What are rational numbers?
26+98
124
The points on the coordinate plane
What are coordinate points? Ex: (x, y)
The steeper the line the steeper the ________.
Slope
THE NUMBER OF TIMES A NUMBER IS MULTIPLIED BY ITSELF AND WRITTEN 2 TO THE 3RD MEANS 2X2X2
2(3+5)
16
What signs does Quadrant IV have?
(+, -)
If a line is decreasing then it's slope is __________
Negative
- TO HAVE THE SAME SHAPE AND SIZE
What is congruence?
8(4-9)+12
-28
An x and y axis divided into 4 quadrants.
What is the coordinate plane?
Equation for slope
What is m= y2-y1 / x2-x1
Putting numbers from greatest to smallest
descending or decreasing order
(7-4)2+(8-2)
15
A graph used to show change over a period of time.
What is a line graph?
Equation for a line
y= mx+b
AN ALGEBRAIC EXPRESSION THAT CONSISTS OF VARIABLES AND COEFFICIENTS
What is a poloynomial?