EOC Review

Linear Equations & Inequalities

100

How can you determine the y-intercept of a graph from a table of values?

Find x = 0  

200

When do you flip an inequality symbol?

When multiplying or dividing by a negative

300

What is the rate of change formula?

Make an x and y table

400

Describe the boundary line and shading of the graph of the linear inequality: y < -3x - 6

Dashed boundary line, shaded below

500

What is the slope of the linear equation:
y - 4 = -2(x + 1)

-2

Quadratics

100

When factoring a trinomial, you want to find factors of a*c that . . . 

add up to b 

200

For a quadratic function, to find the time when an object hits the ground, use the. . . 

Quadratic Formula

300

Formula for the x-value of the vertex

-b / 2a 

400

Formula for new c value when completing the square

(-b/2)²

500

On a graph of a parabola, the x-value of the vertex is also the...

Axis of Symmetry

Exponential

100

For an exponential function y = a(b)^x, a is the . . . 

y-intercept or starting value

200

What is the exponent button on the calculator?

y^x

300

If an exponential function describes interest compounded weekly, then the n-value . . . 

n = 52

400

When does an exponential equation y = a(b)^x demonstrate decay vs growth?

Decay when b < 1, Growth when b > 1

500

How do you round to the nearest hundredth?

Two digits after decimal. If 3rd digit is 5 or greater, round up the 2nd digit.

Exponents & Radicals

100

What is the invisible root for a radical expression?

2

200

When do you add exponents and when do you subtract?

Add when multiplying the same base, subtract when dividing the same base. 

300

In order to add or subtract radical expressions, they must have the same . . .

Base/Radicand

400

Describe the negative exponent rule

Flip numerators and denominators

500

Bonus Question Look at the board

Index is 3, power is 5, radicand is xy

Systems

100

If a point is a solution to a system of inequalities, then on the graph it will be in the . . . 

double shaded/overlapping region of both inequalities

200

The number of solutions to a system of equations that is consistent and dependent

Infinite

300

How can you solve the following system?

y = 6x - 7

4x + 2y = -19

Substitution: plug in 6x-7 for y in the second equation

400

How can you solve the following system:

3x - 2y = 14

5x + y = 27

Elimination: Multiply the second equation by 2 and add the equations to eliminate y 

500

True or False: A point on a dashed line is part of the solution.

False.