Solving Equations
What's my solution?
2x=8
x=4
Is the sequence arithmetic or geometric?
2, 10, 18, 26, …
Arithmetic
What is the shape of a linear function on a graph?
Line
What’s my slope?
y=3/4x+2
3/4
What is true about slopes of parallel lines?
The slopes are the same.
What is the solution?
x/10=2
x=20
A sequence that has a common ratio uses what operation to find the next number?
Multiplication
Name of a function that has a curved graph and changes rapidly.
Exponential
What’s my slope?
y=5-2x
-2
Name the two methods for solving linear systems of equations algebraically.
Elimination and Substitution
What is the solution?
24=5x-1
x=5
What is the next term in the sequence?
510, 600, 690,...
780
Method used to determine if a graph is a function.
Vertical line test
What’s my slope?
y-2=6(x+2)
6
What is the interest rate 6% as a decimal?
0.06
What is the solution?
6x+1=3x-2
x=-1
What is the zero term in the sequence?
-6, -10, -14, -18,…
-2
Imagine the graph of a circle. Is it a function? Why or why not?
No, it does not pass the vertical line test.
What’s my slope?
y-4x=10
4
Describe the correlation of a scatterplot if the correlation coefficient is -0.98.
Negative and Strong
What is the solution?
7(3x+1)=70
x=3
What is the common ratio?
-180, 90, -45, 22.5,...
-1/2
Which is not a function?
y =3 x =-5
y=x y=7 + 2x
x=-5
What’s my slope?
x=2
No slope (undefined)
What is the slope of a line that is perpendicular to y=-3x+7?
1/3