Algebra
What's the slope and y-int?
y=2x+3
slope = 2
y-int = 3
What are you x-values and y-values in quadrant 2?
x-values = negative
v-values = positive
An electron has a ___ charge.
Negative charge
Negative times a negative ....
Positive times a negative ....
Negative times a negative positive
Positive times a negative negative
How do you find slope with two points?
Rise / Run
Turn (x+1)2 into a quadratic formula.
Hint: what do you do when a number is to the power of 2.
x2+2x+1
If you rotate a figure from quadrant 1, 270 degrees what quadrant would it land on?
Quadrant 2
Stored energy is also called ____.
Potential energy
What is the slope formula?
y = mx + b
Find x. 3x - 7 = 3 - 2x
x = 2
Factor this Polynomial
3p2-2p-5
(3p-5)(p+1)
Solve for x. Use the quadratic formula
2x2-8x-24=0
x = 6, -2
How many atoms are in water?
3 atoms, 2 hydrogen and 1 oxygen
6/3 or 2/1
3x - 7 = x + 9
x = 8
Solve this Quadratic Formula
x2-2x-15=0
x=5,-3
Find the surface area of the figure.
72 cm
What are the four main layers of the Earth? Outer to inner order.
Crust, Mantle, Outer core, Inner core
Find the Pythagorean theorem.
h = 5
What's x.
-5y + 4x = 49 & 7y +2x = -23
(6,-5)
Solve the system of equations?
4x + y = 13
16x + 2y = 18
(-1,17)
Find the value of x from 2x + 2y = 7 and 4x + 3y = 12
(3/2,2)
A bus travels with a constant speed of 48 km/h. How long will it take to travel 60 km?
1 hr and 15 min or 75 min
Find the surface area of the cylinder. Use 3.14 as pi.
923.16 or 294pi
Find the slope using the graph.
-1/2