Simple Equations
Algebra: Is this a function: {(1, 2), (2, 3), (2, 4)}
No
What is the slope-intercept of a linear equation?
y= mx + b
Find the slope: 2(3x - y) = -10
3
Does the solution x=2 make this statement true? Show your work.
-4x+2>18
No
x<-4 and 2 is greater than -4
Solve the equation:
x2+16x+64 = 0
x = -8
Am I married?
Yes
What test determines if a graph is a function?
Vertical Line Test
Write the following equation in slope-intercept form:
5(x + 2y) = 20
y = -1/2x + 2
What is the slope of the following equation:
2x + 2y = 8
slope = -1
Solve the system:
4x + 2y = 8
3x + 3y = 9
(1, 2)
Solve:
7x2-14x=0
x = 0 and x = 7
How many kids do I have?
2
What is the output of the function if the input is 2?
y=3x-1
5
What is the coordinate of the y-intercept?
y=3x-4
(0,-4)
What is the slope of the line that passes through...
(1,3) and (5, -2)
-5/4
Evaluate:
[(2*3)+(7*4)]+2
Algebra: 36
Solve:
2x2+x-15=0
x = 5/2 or x = -3
List all the pets I have.
2 dogs, 2 guinea pigs, 1 tortoise, 5 fish
What is the range of the function?
y=4x+17
all real numbers
Which slope is steeper?
m=-6
m=2
m=-6
Which slope is steeper?
m=1/4
m=1/8
1/4
Evaluate if x=4 and y=-2:
-(x + 7) -2(4x + y)
-39
Solve the equation.
2(3x+1)(4x-7)=0
x=-1/3
x=7/4
What is my favorite show?
Any are acceptable:
Friends
Seinfeld
New Girl
Schitt's Creek
Solve: 21 + x = 2(x - 6)
x = 33
What's the domain of x = 3?
Algebra: 3
If a line goes through (0,2) and has a slope of 1, what is the equation?
y=x+2
What's the slope of the line passing through (3,9) (5,4)
slope: -5/2
Simplify:
1/4(-4 + 16x) - 2/5(20x - 15)
5 - 4x
Solve the equation.
4x2-64 = 0
x = -4 or x = 4
What other class do I teach on campus?
ELD