Geometry
Find the area of a triangle with a base of 10 and a height of 8
40
2x + 8 = 6x - 12
x = 5
Find the slope.
(3, 8) and (-2, 1)
7/5
Leave your answer as an exponent.
35 x 322
327
Open up or down?
y = x2 + 10
Up
Find the length of the missing side.
9.4
3x - 7 = 14 + 3x
No Solution
Graph.
y = 2x - 3
See Graph
Is 7 rational or irrational?
Rational
Find the vertex.
y = 2x2 + 8x - 5
(-2, -13)
Find the length of the missing side (#2).
5.2
2(3x - 5) = 5x + 3
x = 13
Find the y-intercept
2x + 4y = 20
5
What is an integer?
Pos/Neg Whole Number
Compare and contrast.
y = 2x2
y = -5x2 + 1
Up/Down, Diff Vertex, 2nd one is narrower,
Find the volume (#3)
1407.7
Solve the system w/ substitution.
y = x - 5
2x + 3y = 20
x = 7, y = 2
Bill has $15 in savings. He plans on adding $10 every month. Write an equation to represent Bill's savings.
y = 10x + 15
Define Rational Numbers and give 3 examples.
Any number that can be written as a fraction.
Exs: 10, 0.2, 0.33333333...
Draw a sketch of
y = x2 + 2
See sketch
Find angle b (#4)
36
Joe ran 1.6 miles, and Mike ran 2 1/2 miles. Steve runs twice the difference between Mike and Joe. How far did Steve run?
1.8 miles
Write the equation of a line that passes through the points (1, 3) and (4, 9)
y = 2x + 1
Define Irrational Numbers and give 3 examples.
Decimals that do not end or repeat.
Exs: Pi, Sq. Root of 2, 7.237421334267...
Define the zero's of a Quadratic Function
1) Plug in to = 0
2) The x-intercepts