Vocabulary
Explain (USING WORDS) what taking the square root of a number means.
Finding a number that you can multiply by itself to get the number you're taking the square root of. (or something like this)
How many siblings do I have?
3
Translate this expression into English words:
x^4 / (2x^2 + x)
"X to the power of 4 divided by the sum of 2x to the power of 2 and x".
Explain why scientific notation is useful.
It allows us to express very big and very small numbers without using many characters.
Translate this expression into English words:
3,285,900,752x^-2
"Three billion, two hundred eighty-five million, nine hundred thousand, seven hundred fifty-two X to the power of negative two."
If France has a population of 68,000,000 people and a growth rate of 0.33%, about how many years will it take for them to surpass 70,000,000 people? (round to the nearest whole year)
About 9 years
[68,000,000 * 1.0033^x = 70,000,000]
Write this expression using normal mathematical notation:
"x to the power of two-thirds divided by the difference of x -squared and 2x"
x^(2/3) / (x^2 - 2x)
Give the formula for the quadratic equation
x = (-b +/- sqrt(b^2 - 4ac)) / 2a
What is the name of a fraction in which the numerator is greater than the denominator?
An improper fraction
Name the two other cities in China I lived in before coming to Qionghai.
Dongguan and Zhuhai.