Fractions and Decimals and Percents, Oh My!
3/4 as a decimal and percent.
What are .75 and 75%?
The y intercept of the line y-6 = 2/3(x + 9)
What is 12?
The number of points needed to determine a plane.
What is 3?
Mrs. O finds this number just delicious! You'll hear more about it in March, but it's the ratio of circumference to diameter.
What is pi?
The date of the deadline to file your federal income taxes.
What is April 15
half of a third.
What is 1/6?
The simplest form of the square root of 18i x the square root of 30i
What is -6 Square root 15
Term that describes an angle greater than a right angle, or a person who's a bit slow-witted.
What is obtuse?
Ms. Smith likes to solve problems involving this number, which might explain her antics. It's the square root of -1.
What is i?
A necessary tool to balance income and expenses on a regular basis.
What is a spending plan or budget?
A 20% tip on a $58 service.
What is $11.60?
The relationship of the slopes of perpendicular lines.
What is opposite reciprocals?
The 5 theorems to prove triangles are congruent.
What are SSS, SAS, ASA, AAS, and HL?
This nonrepeating, nonterminating decimal is the base of natural logarithms and can be used to calculate compound interest.
What is e?
The amount of calories suggested per day in general nutrition advice.
What is 2000?
5/8 + 1/3
What is 23/24?
Point-slope form.
What is (y - y1) = m(x - x1)
The interior angle sum of a polygon with 16 sides
What is 2520?
Last year Mrs. Reifler joined the math department at CTC. We should have sent an email introducing her with the subject "Change in the math department," but replace "Change in" with this triangular Greek letter used in slope formula.
What is Delta?
The term for the selling price of an item minus what it costs the company.
What is profit?
.15 x .25
What is .0375?
The Quadratic Formula.
What is the opposite of b plus or minus the squareroot of b squared minus 4ac all over 2a?
The area of a 60 degree sector of a circle with a radius of 12
What is 75.398 or 24pi?
This greek letter is used to name angles in geometry and trigonometry. It looks kind of like an O with a curve through the middle.
What is theta?
Construction workers often measure 2 sides of a project to ensure it's square. From the corner, they'll measure 3 feet across, mark it, and measure 4 feet up and mark it. The diagonal between those two points should be 5 feet. They're applying this theorem to their work.
What is the Pythagorean theorem?