True or False
Rearranging Equations
Solving for x.
Substitution
Elimination
Mrs. Slayden
100
The point of intersection of 2 lines on a graph is called a solution.
TRUE
100
g = 6x (solve for x)
x = g/6
100
x - 3x -4x = 18 - 42
x = 4
100
Solve using substitution.
y = 2x
3x + 4y = 22
Solution (2, 4)
100
- x + y = 7
x + y = 9
Solution (1, 8)
100
What is Mrs. Slayden's favorite color?
Pink
200
For the following equation, there is enough information to solve for a solution.
3x + 4y = 8
False.
200
Solve for m.
z = m - x
m = x + z
200
x - x/4 = x/3 + 5
x = 12
200
y = -2
4x - 3y = 18
Solution: (3, -2)
200
x + y = 12
x - y = 2
Solution (7, 5)
200
What "dessert" flavor does Mrs. Slayden dislike?
chocolate
300
Consider the equation:
If s = mt
Then m = t/s
False
m = s/t
300
Solve for m.
12am = 36
m = 3a
300
Solve for x.
(x - 7)(x +8) = x^2 + x - 10
no solution
300
x = 2y + 11
-7x - 2y = -13
Solution: (3, -4)
300
-4x + 2y = -30
4x + 8y = 20
Solution: (7, -1)
300
How many daughters does Mrs. Slayden have?
3
400
When two equations of lines are parallel, the answer is infinite solutions.
False
400
Solve for a.
am + n = p
a = p/n-n/m
400
(x - 3)(x + 2) = x^2 -x -6
Infinite solutions
400
-5x + y = -2
-3x + 6y = -12
Solution: (0, -2)
400
7x + 2y = 24
8x + 2y = 30
Solution: (6,-9)
400
How old is Mrs. Slayden?
47
500
When two equations of lines are the same, this is called no solution.
False
500
Solve for x.
-3x + 2c = -3
x = 1 - 2/3c
500
solve for x.
5x - 3(-x - 4) = 20 -(x + 5)
x = 1/3
500
-3x + 3y = 4
-x + y = 3
no solution
500
-7x + y = -19
-2x + 3y = -19
Solution (2, 5)
500
What was Mrs. Slayden's degree in college?
1. Science Teacher
2. Dietician
3. Engineer
Dietician