Quadratics
Solving Equations
Expressions
Properties
Distributive Property
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
x + 3 = 3 + x
Communative property
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
What property is this?
2(3 + x) = 6 + 2x
Distributive property
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 property is this?
(x + 3) + 5 = x + (3 + 5)
Associative property
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
3y2-6y+2+3y2+8y
6y2 +2y+2
400
Why can't the associative property be used here?
(2 - 4) - 3 = 2 - (4 - 3)
The associative property only applies to addition and multiplication.
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
Find the error here:
-2(x - 3) + 4 = -2x -6 + 4
-2 * -3 = 6
500
Match the graph below with its corresponding equation:
y=0.2^x
C.