Positive DP
2(x + 4)
2x + 8
-3(4x-5)
-12x+15
1/2 (4x + 6)
2x + 3
Which part is the coefficient of 2x-4
2
-12 + 4
-8
5(4x + 5)
-6(-3-x)
18+6x
1/2 (6x - 4y)
3x - 2y
How many terms are in this problem
3y+2x+3
3
-14 + (-20)
-34
8(4x + 7y + 2)
32x + 56y + 16
5(-10+-3x)
-50-15x
1/2 (10x + 2y)
5x + y
What is a symbol that represents an unknown number, a quantity that can change, or a placeholder for any member of a set
Variable
How do you find the circumference of a circle?
d(3.14) or d(pie)
x(5 + 14 + 8)
5x + 14x + 8x
-7(-4x+y-3)
28x-7y+21
4(2x + 1/2)
8x + 2
Define what a constant is
a fixed, unchanging value, quantity, or symbol
What two things must be true about a proportional graph?
Straight line that goes through the origin
2(5x +3y) + 3(3z+ 10)
10x + 6y + 9z +30
-2(10-3x-y)
-20+6x+2y
1/4 (4x + 8y)
x + 2y
Define term.
a single number, a variable, or a product of numbers and variables, separated from other terms in an expression by addition (+) or subtraction (-) signs
Mr. Bucher made 2 of the 20 free throws that he took. What percent of the free throws did he make?
10%