Algebra Flashcards
How many solutions for an equation with even exponents?
- Even exponents in an equation signal two potential solutions.
How many solutions for an equation with odd exponent?
Only one.
Number greater than 1 raised to an even exponent becomes bigger or smaller?
Bigger
Number between 0 and 1 raised to an even exponent becomes bigger or smaller?
Smaller
Number less than -1 raised to an even exponent becomes bigger or smaller?
Bigger
Number between 0 than -1 raised to an even exponent becomes bigger or smaller?
Bigger
Number greater than 1 raised to an odd exponent becomes bigger or smaller?
Bigger
Number between 0 and 1 raised to an odd exponent becomes bigger or smaller?
Smaller
Number between 0 and -1 raised to an odd exponent becomes bigger or smaller?
Bigger
Number less than -1 raised to an odd exponent becomes bigger or smaller?
Smaller
x^1/3 =
cube root of x
-3^2 =
-9
[x] is the largest integer less than or equal to x.
What is [-2.3]?
-3
10^1
10
10^0
1
10^-1
0.10
10^-2
0.01
Product of a number and its reciprocal = ?
1
Formula for interest
Total Amount = P ( 1 + r/n)^nt
A fraction’s decimal will terminate if its denominator in its reduced form:
has 2’s and/or 5’s factors
4 ^ 2/3
Take root first before applying exponent.
(5^x)(5^y) = 25
x + y = ?
x + y = 2
Only equate exponents when bases are same.
Is 0 positive or negative?
Neither
“Is x > 0?”
Range of x is (0,-1,-2,-3,-4)
Sufficient or Insufficient?
Sufficient.
“Is x > 0?”
Range of x is (0,1,2,3,4)
Sufficient or Insufficient?
Insufficient.
“Is x > 7?”
Range of x is (7,8,9,10)
Sufficient or Insufficient?
Insufficient.
“Is x > 6?”
Range of x is (7,8,9,10)
Sufficient or Insufficient?
Sufficient.
