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57 Cards in this Set

  • Front
  • Back
5^3
125
15x15
225
3^4
81
12x11
132
4^3
64
When 43 is divided by 13 what is the remainder?
4
When integer i is divided by 3, the remainder is 1. When i is divided by 4, the remainder is 3. If i is greater than 5 but less than 30, what is its value?
a) 13 b) 15 c)16 d) 19 E) 23
D
Both n and m are integers. When n is divided by m, the remainder is 3. If m is divisible by 4 and n is less than 20, which of the following could be the value of n?
a) 10 b) 11 c) 13 d) 17 e) None of the above
B
To what can the fraction 25/275 be reduced?
1/11
A bacterial population doubles every two hours. If the initial population is 100,000 cells, how many cells will there be 8 hours later?
a) 160,000
b) 320,000
c) 800,000
d) 1,600,000
e) 25,600,000
D
To what can the fraction 66/275 be reduced?
a) 2/5
b) 3/25
c) 6/25
d) 66/275
C.
200,000/.05 x 1/100 equals what?
a) 400
b) 4,000
c) 40,000
d) 400,000
e) 4,000,000
C
What is the value of the product (375/16) x (64/25)?
a) 15
b) 60
c) 92
d) 60%
e) None of the above
B
What is the fraction 5/8 expressed as a decimal?
a) .45
b) .50
c) .58
d) .63
e) .68
D
What is the product of 3/7 and 49/15?
a) 5/7
b) 45/49
c) 49/45
d) 7/5
e) Other
D
If a fund that has an initial value of $1,300,000 goes down by 15%, what is the final value of the fund?
a) 195,000
b) 1,005,000
c) 1,105,000
d) 1,195,000
e) Other
C
What is the percentage change if a number is increased from 140 to 175?
a) 20%
b) 25%
c) 30%
d) 35%
e) Other
B
If a stock decreases in value from $87.50 to $62.50, what is the percent change?
a) -20%
b) -25%
c) -29%
d) -38%
e) -43%
C
Baxter is mixing a concentrated pigment with a solvent in the ratio of 2:9. If he has 3 3/4 gallons of the pigment, how many gallon cans of solvent will he need to use up all the pigment?
a) 9
b) 15
c) 17
d) 34
e) Other
C
3^9/3^6 equals what?
27
3.33 - 10.9235=
-7.5935
Which direction does the decimal move when you have 10^ negative exponent?
Right
Which direction does the decimal move when you have 10^ positive exponent?
Left
Divisibility Rules:

2
Even Number
3
Add all digits and if divisible by 3 then whole number divisible by 3
Divisibility Rules

4
Last two digits divisible by 4
Divisibility Rules

5
Number ends in 5 or 0
Divisibility Rules

6
Divisible by 2 and 3
Divisibility Rules

7
Just divide it out
Divisibility Rules

9
Add digits and divide by 9
Decimal Conversions

1/2
.5
Decimal Conversions

1/3
.33
Decimal Conversions

1/4
.25
Decimal Conversions

1/5
.20
Decimal Conversions

1/6
.1666
Decimal Conversions

1/7
.143
Decimal Conversions

1/8
.125
Decimal Conversions

1/9
.1111
Decimal Conversions

1/10
.1
Decimal Conversions

1/11
.090909
What is (x+y)(x-y)=
Difference of Squares:

(x^2 - y^2)
(x-y)^2=
(x-y)(x-y)=x^2-2XY+y^2
(x+y)^2=
(x-y)(x+y)=x^2+2XY + y^2
Exponent Rules

X^m x X^n =
X^m+n
Exponent Rules

X^m/X^n=
X^m-n
Exponent Rules

(X^m)^n
X^mn
5+ 5 Sq. Rt. 5/ 10 + Sq. Rt. 500 =
a) 1/2
b) 2
c) 1 + Sq. Rt. 5
d) 1 + 5 Sq. Rt. 5
e) 5 + Sq. Rt 5
1/2
What is the quadratic formula?
ax^2 + bx + c = 0

x= -B +or- Sq. Rt. B^2 - 4AC / 2a
(Sq. Rt 2 + 1)(Sq. Rt. 2 - 1)(Sq. Rt. 3 + 1)(Sq. Rt. 3 - 1) =
2
If you multiply an inequality by a negative number you must
Flip the sign
If you divide an inequality by a negative number you must
Flip the sign
Solve for X

x+3 > 2x + 5
x < -2
DO NOT Subtract one inequality from another
It is better to multiply by a negative and then add the inequalities. When multiplying by a negative remember to FLIP THE SIGNS!
|X| > y means x>y or x < -y
Example:

|x-3| > 5 is really:

x - 3 > 5 or x - 3 < -5
The function F is defined by subtracting 25 from the square of a number and the function g is defined as the square root of one-half of a number. If g(f(x)) = 10 then which of the following is a possible value of X?
a) -15
b) -5
c) 0
d) 5
e) 25
A
Elena purchased brand x pend for $4 each and brand y pens for $2.80 each. If Elena Purchased a total of 12 of these pens for $42, how many brand x pens did she purchase?
7
On the number line, if W>X, Y is the midpoint between W and Z, and X is twice as far from Z as it is from W, then W-Y/Z-X =

a) -2
b) -1/4
c) 0
d) 1/4
e) 1 1/2
B