Unit 1
5+3x2
11
What is x- x-12=80
x=92
What is the x-value called
Independent variable
What is the slope-intercept form
y=mx+b
y=-2/5x+2
What is a Variable
A letter that represents an unknown number
What is J- 4j+2=10
J=2
y = 3x + 1; domain = {-1, 0, 1, 4}
K = {0,3, 6, 15}
What is the greater than symbol
>
Slope= undefined, passes through (9,2)
x=9
Less than the quotient of a number and two
x/2-10
what is the area of the triangle eqaution
A=1/2(bxh)
Is this a funtion-(5, -2), (3, -5), (2, -5), (0, 2)}
yes
3x + 6y = 12 x-int_______
x-int (4,0)
What is a Perpendicular line
lines that intersect at a 90 degrees angle. Parallel lines are lines that are always the same distance apart.
Simply- 3x2 -3+4x-(x+2)
3x2 +3x-5
What is W-5(1-2w)+8w=15
W=-5
f(x) = x + 7; f(5)
f(5)=12
F(x) = 8/10 x -2
m=
b=
m=4/5
b=-2
Write the equation-(- 4,-2) and (2,-3)
y=1/2x-4
What is a Polynomial
an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).
Benny bought four new baseball trading cards for his collection. The next day, Benny dated half of his trading card collection. There are now 45 cards left. How many cards did Benny start with?
C=86 cards
what is the function of the following
f(x)=-x2+8x-11
f(0)-h(-2)
-13
The table shows the cost of using a computer at an Internet Café for a given amount of time. Find the rate of change in cost with respect to time.
$3.50/hour
What is an Arithmetic Progression or Sequence
A sequence where each term increases by adding/subtracting some constant k.