Rational or not?
What is the real number system?
The real number system is all rational and irrational numbers.
what is a function?
a relation in which each x-value is only paired with one y-value.
What is a perfect square?
An integer that is multiplied to itself.
What is the basic formula of the Pythagorean Theorem?
y=mx+b
What is scientific notation?
Scientific notation is a way of expressing numbers that are too big or too small to be conveniently written.
Is a non-terminating, and non-repeating decimal rational?
No, that is irrational decimal.
which is the output?
X or Y
Y is the output
what is a perfect cube?
An integer that is multiplied to itself three times.
What is a Pre-image?
Original figure before transformation.
How do you add or subtract when using scientific notation?
When adding or subtracting numbers in scientific notation, the exponents must be the same. If they are different, you must move the decimal so that they will have the same exponent.
Is π rational or irrational?
π is an irrational number.
True or False:
A table cannot be used to show if it's a function or not
False, a table can be used to show if it's a function
What are inverse operations?
A set of two opposite operations, undoes what has been done.
What is a translation?
A transformation that slides a figure (pre-image) from the original position to another (image) without turning or changing size.
Solve in scientific notation: 1.39 x 105 + 1.14 x 104
1.503 x 105
Rational or not?
√617
Is this a function?
(3,7),(4,9),(7,3),(5,6)
Yes, this is a function
What is 18 squared?
324
What is the hypotenuse of 62 + 42= C2
C= the square root of 52
Write 379,238,396 in scientific notation
3.79238396 x 108
Choose the letters that are irrational.
a. √100
b. √36/3
c. π
d. 2/94
e. 3.7639875...
Letters C and Letter E
How will you know if it's a function using the vertical line test?
If any vertical line passes through more than one point, then it's not a function
What is 19 cubed?
6,859
What is the side of 202+b2=1012
99
A corporation earned a profit of $2.5 x 104 for 1 x 103 days in a row. What was the corporation's total profit during this time?
2.5 x 107