What is a Rational Number?
A number that can be written as a fraction.
What is an example of an Irrational Number?
pi, square root of 17...
Solve
3x+7=5x-2x+10
No solution
What transformations will result in congruent figures?
Translation, rotation, and reflection.
Identify if this is an Independent or Dependent event:
Choosing two crayons from a box of crayons, without replacing the first one.
Dependent
(6.2 X 10^8)+(2.3 X 10^8)=
8.5 X 10^8
What is the solution?
x^2=121
x=11
Solve
3(x+4)+3x=-12
x=-4
What do you do to the point when you reflect them across the x-axis?
Keep the x and make the y opposite.
What is the probability of rolling a 3 on a six sided die?
1/6
(7 X 10^8)(8 X 10^5)=
5.6 X 10^14
Estimate the square root of 39.
between 36 (6) and 49 (7) but closer to 6.
Explain what a function will look like on a graph.
There will NOT be any points that are on top or below another point. It will pass the verticle line test.
What is the equation we use when working with right triangles?
Pythagorean Theorem
a^2+b^2=c^2
Paul's Pizza Parlor is offering a large two-topping pizza for $14.99. There are five toppings from which to choose. How many different two-topping pizzas are possible?
20 combinations
Summerville has a population of 430,000 people, while Eagleton has a population of 5.7 X 10^5 people. What is the difference in population between the two towns? Write it in scientific notation.
1.4 X 10^5
Simplify
(2b^2)^4(4b^5)^2
256b^18
Explain what the M and B are in the equation:
y=mx+b
M- is the slope/growth/change
B- is the starting point/y-int
Will these measurements make a right triangle?
6in, 8in, 10in
Yes
If the probability of it raining today is 60%, what is the compliment and what is it's probability?
Not raining, 40%
An African elephant has a mass of 8 X 10^3kg. A worker bee has a mass of 1 X 10^-4kg and approximately 4 X 10^4 worker bees live in one hive. How many hives of worker bees would it take to equal the mass of one African elephant?
2,000 hives of bees or 2 X 10^3
Simplify
12g^8h^5/g^3h^14
12g^5/h^9
Is this equation linear?
2y=3x+1
Yes
Find the missing side of a triangle whose measurements are:
leg- 4in
hypotenuse- 5in
3 in
A 4 digit code is made of only numbers. The numbers cannot be repeated in the code. How many codes are possbile?
5,040