Two-Variable Linear Equations
Is (-5,12) a solution of y = -2x + 2 ? (Must show work to support answer)
12 =12
Yes!
Is this a function? Why or why not?
{( 7,4),(-6,-3),( 7,3),( 2,2),(20,1)}
NO! There are x values paired with more than one y value.
Number 3 in your study guide!
Find the slope of the line through points A and B, shown on the graph. Must be simplified!
1/2
If 3 – 3x < 20, which of the following could not be a value of x?
a) -6
b) 6
c) 7
d) -5
a) -6
What is Earth?
List the domain of the relation: {(2,-3) (5,10) (-8,4) (-11,10)}.
2,5,-8, -11
Look at numbers 26,27, 28 in your study guide.
Which of these relations are functions?
27 and 28
Number 12 in your study guide!
-3/2
The first four numbers of a sequence are 5, 10, 20, 40. Assuming the pattern continues, what is the 6th term of the sequence?
160
Name 3 of the 5 band members from One Direction
Harry, Zayn, Liam, Louis, Niall
List the range of the relation: {(-1,5) (0,1) (27,-2) (3,15)}.
5, 1, -2, 15
Given f(x) = 2x – 3, evaluate for f(2).
f(2) =1
Below are two ordered pairs from the graph of a line. Use them to determine the slope of the line.
(-1,3) and (2,7)
m = 4/3
Given f(x) = x2 – 9. What is f(3)?
f(3) = 0
Who played the first live-action portrayal of spider man?
Nicholas Hammond
State one possible solution for the equation y = x + 5.
examples: (-5, 0), (1, 6), and infinite more!
Given f(x) = x – 1 and g(x) = 2 + 5x, evaluate for f(-1) + g(2).
f(-1) + g(2) = -2 + 12 = 10
19) Ms. Everett loves wings. She bought 50 wings to share with friends. Her total was $66.
a) What is the cost per wing Ms. Everett paid for?
b) Assuming the cost per wing remains the same, how much would it cost for you to purchase 125 wings? (2 pts)
a) 1.32 dollars per wing
b) 165 dollars
For what value of x does 4(3x – 2) = 12?
5/3
What year did Grayslake Central first open?
1946
Create an equation that would have (1, 3) as a solution.
example: y= x+2
Infinite possible answers!
Draw a graph where h(5) = 6 and h(-2) = 0.
A line that goes through (5,6) and (-2, 0).
A line passes through the origin and through the point (2, 0). What is the slope of the line?
m = 0
If 2x = 3y = 6z = 48, what is the value of x * y * z?
3072
Who was the first basketball star to appear on a box of cereal?
Michael Jordan