Computation and Formulas
What is the square root of 20?
2sqrt5
cos = ? / ?
adjacent/hypotenuse
sin = ? / ?
opposite/hypotenuse
What single digit appears most frequently between and including the numbers 1 and 1,000?
1
What is the formula for difference of squares?
a^2-b^2=(a+b)(a-b)
Fill in the parentheses to make this true:
9+12÷3+4÷2+1×2 = 11
(9+12)÷3+4÷2+1×2 = 11
What is the equation for the Pythagorean theorem?
a^2+b^2=c^2
What is the slope-intercept form of a line
y = mx + b
Expand (4x-3)(2x+3)
8x^+6x-9