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Vocabulary
Chapter 2
Solving Equations
Ratio and Proportion
Solving Variables
100
what is the " Distributive Property"
a(b + c) =ab + ac
100
–| –3+8 |
-5
100
Solve for x : -7 + x = 7
x=14
100
Solve the proportion : (5/6) = (c/9)
c=15/2 or 7.5
100
6x +3 = 8x -21
x=12
200
_______ is a term that has no variable.
constant
200
write an expression " 7 plus the sum of m and -17".
7 + (m + (-17))
200
Solve for m: -3 +(m/3)=12
m=45
200
Solve the proportion : (2/8)=(n/20)
n=5
200
40 + 1.5h = 3.5h
h=20
300
_______ is a number, a variable, or the product of a number and one or more variables.
term
300
simplify the expression 5(3w - 2k) + (-4w) + 2
11w-10k+2
300
Solve for x : (x + 2)/9=5
x=43
300
Solve the proportion : 1/(c+5)=2/3
c=-7/2 or -3.5
300
2(c-6) = 9c+2
c=-2
400
what is " inverse operations "
which are operations that undo one another.
400
simplify the expression " 8m^2 - 5mz + 4mz -m^2 + 4
7m^2 - mz + 4
400
Solve for m : 5m +3 = 3m + 9
m=3
400
Solve the proportion : (x+3)/4 = 7/8
x= ½ or 0.5
400
determine if there is a solution for x: 18x -5 = 3(6x-2)
No solution
500
_______ is a comparison of two numbers by division.
ratio
500
simplify the expression : –|–6 +8+2| + (-2)(2w + 4k)
-4 -4w - 8k
500
Solve for m: 5m - 2(m+2)= -(2m+15)
m= -(11/5)
500
Solve the proportion : 8/(b+10) = 4/(2b-7)
b=8
500
- 4a = 2a + 1 -5a
a=-1