Quadratics
Solving Equations
Expressions
Linear Functions
Exponentials
100
Find the roots of the equation 2x^2-5x+3=0
3/2 and 1.
100
Solve:
2y=8
4
100
Write an Expressionfor the following verbal expression:
the sum of 200 and 5 times a number
5n + 200
100
What is the slope:
(0,5) and (5,3)
Slope:
-2/5
100
How many types of exponentials are there and list what they are.
There are two types. And they are called growth and decay.
200
Solve the equation:
2x^2 + x - 300 =0
12 and -12.5
200
x/4=3
12
200
Write an Expression for the following verbal expression:
the sum of 150 and three times a number
150 + 3n
200
Write the point-slope form of an equation of a line with a slope of 3 that passes through the point (6,–1)(6,–1). Then rewrite it in the slope-intercept form.
y=3x-19
200
For the following exponential function, identify the common ratio and the
-intercept, and tell if the function represents a growth or decay curve.
y=13(2.3)x
Common ratio: 2.3
y- intercept: 13
Growth Curve
300
6^2 + 11x - 35= 0
5/3 and -7/2
300
2t -5 =9
7
300
6/ y + 3
when y is 9
1/2
300
What are the three different forms of linear equations?
1. Slope- intercept form
2. Standard form
3. Point Slope Form
300
Write an exponential function to model this situation: A business had a $23000 profit in 2009, and then the profit increased by 20% per year for the next 5 years.
$23000(1.2)^5
400
20^2 -15x -10 =0
3+/- the square root of 41 over 8
400
x+x+x=15
X=5
400
3y^2-6y+2+3y^2+8y
6y^2 +2y+2
400
The population of a city increased from 23,400 to 27,800 between 2008 and 2012. Find the change of population per year if we assume the change was constant from 2008 to 2012.
The change of population would be 1,100.
400
Which of the following models represent the equation
?
Quadratic
500
Solve the quadratic equation:
2x^2 + x - 528 = 0
16 or -33/2
500
4(5y -2)=48
Y=2.8
500
A mathematical phrase that includes at least one operation and variable is called ___________.
An algebraic expression
500
If f(x)f(x) is a linear function, and (3,−2)(3,−2) and (8,1)(8,1) are points on the line, find the slope. Is this function increasing or decreasing?
Increasing
500
Match the graph below with its corresponding equation:
y=0.2^x
C.