Factor the expression: x2-4
Answer: (x+2)(x-2) OR (x-2)(x+2)
This has one endpoint and continues in one direction forever
Ray
What is cos(0)?
1
In algebra, what do we call a mathematical statement asserting that two expressions have the same value, typically denoted by an equal sign?
Equation
Month and day of Pi Day.
March 14
Simplify the expression: 2x+ 4x2-x+12+2x2
6x2+x+12
A triangle with two sides the same length
Isosceles
Name the 6 trigonometric functions
Sine, cosine, tangent and their reciprocal functions, secant, cosecant, and cotangent
Name the algebraic identity that states: (a + b)2 = a2 + 2ab + b2
Foiling
What number sequence often appears in nature and was discovered in 1202 AD?
Fibonacci Sequence
What is the shape of the graph -3x8+12x+15
Downward-facing parabola
It has five sides and five angles
Pentagon
What is tan(ℼ/6)?
1/√3 OR √3/3
The inventor of Algebra
Muhammad bin Musa al-Khwarizmi
Who is known as the "Father of Geometry"?
Euclid
The word polynomial joins what two diverse roots
The Greek poly, meaning "many", and the Latin nomen, or "name"
The Euler segment contains which three points of concurrency
Circumcenter, centroid, orthocenter
State two of the Pythagorean Identities formulas.
Sin2u + cos2u = 1 OR 1 + tan2u = sec2u OR 1 + cot2u = csc2u
What is the term for a mathematical expression consisting of numbers, variables, and operations, such as 2x + 5?
Linear Polynomial
What are the first 6 digits of pi?
3.14159
This ancient Greek mathematician who lived around the 3rd century CE is referred to as the Father of Polynomials
Diophantus of Alexandria
What is the 3-4-5 triangle rule?
Triangle has the constant ratio 3:4:5 as its side lengths, then the triangle is a right triangle
Solve the equation for x on the interval [0, 2ℼ): 2sin2x - sinx - 1 = 0
7ℼ/6, 11ℼ/6, ℼ/2
In a system of linear equations, how many solutions can there be: none, one, or infinitely many?
None, one, or infinity many
If 2x-y=12 and y=3-x, what is x plus y
3