Write the equation for a line with slope 2 and that goes through the point (0, 6)
y=2x+6
Does (2, -3) satisfy this system of equations:
2x+6y=-14
2x+5y=-10
No
Add the polynomials
(x2+10x-8) + (-x2-10x-8)
-16
Simplify
sqrt(200)
10sqrt(2)
Find the mean and median of the following
2, -2, 3, -3, 5
mean=1, median=2
Find the slope between these 2 points: (7, -5) and (-2, 13)
-2
Is the system consistent or inconsistent? Dependent or independent?
2x-4y=10
x-2y=5
Consistent and dependent
Simplify
(5x3y5)2 (6xy)
150x7y11
Simplify
sqrt(75x3)
5xsqrt(3x)
What is the probability of drawing the jack of clubs from a standard deck at random?
1/52
Write the equation for the line that runs through both (5, -3) and (8, -3)
y=-3
Solve the system.
x-y=10
2x+3y=15
(9,-1)
Simplify
(10x-15y2)2
100x2-300xy2+225y4
Solve using quadratic formula
x2+3x+2=0
x=-1,-2
Solve the equation
6(2x+3)=15
x=-1/4
Write the equation for the line that goes through (1/2, 3) and (0, 6)
y=-4x+6
Simplify
(2x-3)(3x3-15x+6)
6x4-9x3-30x2+57x-18
Solve using quadratic formula
x2-6x+9=0
x=3
What's the probability of rolling a 5 with a pair of standard dice?
1/9