Algebraaaasss

Negative

100

A number less than zero

What is a negative number?

200

As x increases, y decreases

What is a negative rate of change? 

300

y = -f(x)

What is a reflection over the x axis? 

400

A parabola will open downwards (frown)

What is a graph when "a" is negative?

500

Which is correct? 

2x^-2 or 2/x²

What is 2/x² ?

Formulas

100

y = mx + b

What is linear?

200

Length x Width

What is area? 

300

y = a(x - h)² + k

What is vertex form? 

400

y = ax² + bx + c

What is the standard form of a quadratic equation? 

500

a_n=a₁(r)^n-1

What is the explicit formula for geometric sequences? 

Solving Problems

100

Solve the quadratic equation

 x²=16

what is x=4?

200

2(x+4) = 10

What is x=1?

300

Solve the equation x²+6x+5=0

what is x=-1, x=-5

400

Simplify: 4/(3-3z²) - 2/(z²+5z+4)

What is -10/(3(z-1)(z+4)) ?

500

Solve the quadratic equation by completing the square 

x²-8x+13=0 

What is 4 ± √3 ? 

Sequences

100

The 5th term of this sequence 

5,10,15,20

What is 25? 

200

Using the formula, find the sequence, find the first 5 terms

t(n) = 4(3)^n-1

What is 4, 12, 36, 108, 324?

300

Make an equation with the following terms 

t(1) = 4/3   and    t(6) = 324

What is t(n) = 4/3(3)^n-1  ?

400

Find the equation of the geometric sequence

16, __, __, 2000

What is t(n) = 16(5)^n-1   ?

500

5, 12.5, 31.25, 78.125

What is the common ratio of 2.5? 

Vocabulary

100

Two lines that never intersect 

What is parallel? 

200

The minimum or maximum point on a parabola

What is the vertex?

300

Whole numbers and their additive inverses 

what is integers?

400

An algebraic expression that has variables, constants, and exponents, together through addition, subtraction, and multiplication 

What is a polynomial? 

500

A line that the curve of an exponential graph approaches but never intersects 

What is an asymptote?