Polynomials
x2+11x+24
Write in logarithmic form: 82=64
log864=2
What subsets of real numbers do each of these numbers belong to:
a. 478,903,923
b. -89
c. -√28
a. Natural, whole, integer, rational, real
b. Integer, rational, real
c. Irrational, real
What is the quadratic equation.
-b±√b2-4ac
____________
2a
[14 7 x [1 4
12 9] 10 7]
[84 105
102 111]
Subtract: (x4+3x2-4x+18,793)-(2x4+43x3-2x2+7x+18,792)
-x4-43x3+5x2-11x+1
Write in exponential form: log21024=10
210=1024
(4.2×10-7)(0.0028) / 2400 (1.6×10-10)
3.0625 x10-3
What is the formula for finding the nth term in a geometric sequence?
an=a1rn-1
What is the inverse of this matrix?
[4 -1
-2 3]
[0.3 0.1
0.2 0.4]
Factor the polynomial: 4x4-2500
4(x2+25)(x+5)(x-5)
Simplify: log3812
8
what is the probability of rolling a an odd number on a six-sided number cube.
1/2
What is the formula for finding the nth term in an arithmetic sequence
an=a1+(n-1)d
Solve for X, Y, and Z:
-2x+2y+z=14
3x-2y+z=-5
-x+y-2z=-8
x= -3
y= 1
z=-2
Solve: 3x3-5x2-2x=0
x= 2, -1/3, 0
Evaluate: log3(27y) when y=243
32
[5 2 x [10 3
4 2] 7 12]
[64 39
54 36]
What is the standard form of the form of an equation for a circle?
(x-h)2+(y-k)2=r2
[4 7 - ([-8 3 + [5 -1
3 8] -1 2] 9 6])
[7 5
-5 12]
Divide: 286x3+16x2+28x+12 ÷ 2x+3
143x2-206.5x+323.75 r:-959.25
Solve for m: 5m=8(5)2m
m≈-1.29
A large one-topping Domino’s pizza costs $7.99, but inflation has caused to special to increase by 25%. How much does large one-topping Domino’s pizza cost now? (Round to the nearest cent).
$9.99
What is the formula for z-score?
z-score= x-mean
_______________
standard deviation
Solve for matrix R:
[5 4 x [R]= [3 4
6 5] 0 2]
R= [15 12
-18 -14]