Linear Equations
4x−7(2−x)=3x+24
X=2
What does a scatter plot tell you?
How one variable is affected by another.
This word is used to describe the set of all inputs for a function.
What is a domain.
3 times 71
27
Dilations of a triangle are congruent to the original triangle.
FALSE
2(w+3)−10=6(32−3w)
w=196/20 = 49/5
Can a scatter plot be linear?
Yes
This word is used to describe the set of all outputs of a function.
What is the range?
7+72
56
A fixed point on a plane. It is the starting point from which we measure distances in a dilation.
Center of Dilation.
Fill in the blanks:
The solution will be the point
( , ) where the two lines
________________
(x,y), intersect
What do the dots on a scatter plot mean?
X Axis and Y Axis.
This word describes any set of ordered pairs or the mapping between a set of inputs and a set of outputs.
What is a Relation.
83 -5
507
A line has points (3,5) and (7,10)
5/4 or 1.25
Solve the System of Linear Equations using the Elimination Method:
4x+3y=12
2x-3y=24
(6, -4)
What one job mostly uses scatter plots?
Economist
Let f(x) = x2 + x + 1; find f(-5).
What is 21?
3 times 33
81
Triangle 7 has a 50° angle and a 25° angle. Triangle 8 has a 50° angle and a 105° angle.
Yes
What is the solution to the system of linear equations?
3x+6=y
y=12
(2, 12)
What makes a good scatter plot?
Data Points
This word describes a relation that pairs each x value with only one y value.
What is a function?
4 times 53
500
In the formula, y=mx + b, what does the m stand for?
m is the slope