Number Systems
Is 7329 rational or irrational?
Yes, because the number is a natural, whole integer.
Solve for X.
2x=18
9
Complete the table.
f(x) =2x + 13
x| -1 , 0 , 1 , 2 , 5
______________________
f(x)|
(-1, 11) (0,13) (1, 15) (2, 17) (5, 23)
What angle is congruent to angle 1?
8.
Find the mean of the following data.
7, 8, 9, 3, 4, 6, 8, 10
6.875
True or False. All rational numbers are real.
True.
Solve for X.
10x=180
18.
Is it a function?
{(1, -2), (-2,0), (-1, 2), (1,3)}
No
Find the measure of a.
69 degrees
Find the median of the following data.
7, 8, 9, 3, 4, 6, 8, 10
7.5
Identify the set of numbers that best describe the situation.
The cost of an item at a store.
Rational Numbers.
Solve for X.
12x - 9 =51
5
Is it a function?
{(-1,5), (0,3), (2,3), (3,-1)}
yes.
What is the area of the triangle?
68.7
Find the mode of the following data.
7, 8, 9, 3, 4, 6, 8, 10
8
Which integer is closest to √52?
7.
Solve for X.
12 (x-2) +3x = 1/2( x+6) +2
2
Is a parabola a function? What is the Domain and Range?
yes.
Domain: ( - infinity, infinity)
Range:[2, infinity)
If AC=12, DE=8, an BD=6, then AD= ?
AD = 3
Find the range of the data set below.
7, 8, 9, 3, 4, 6, 8, 10
7
What number system best describes -√3?
real and irrational.
Solve for X.
8(x+5) +2 = 4.8x +4
-11.875
Is a circle a function?
No.
Which of the following transformations will not map a square onto itself?
a) a rotation of 180 degrees about the center.
b) a rotation of 270 degrees about the center.
c) a rotation of 45 degrees about the center.
d) a reflection about a diagonal.
c) a rotation of 45 degrees about the center.
There is a jar full of 3 red marbles, 4 blue marbles, 6 yellow, and 2 green. What is the probability of reaching in and pulling out a red marble and a green marble with replacement?
5/15=1/3