Algebra I EOC Review #1

Quadratics

100

Find the solutions to the following quadratic equation:

(x-5)(x+9)=0

x = 5 and x = -9

200

Find the roots to the quadratic equation:

2x²=200

x = 10 and x = -10

300

b²-4ac

What is the discriminant?

400

Find the solutions to the following quadratic:

2x² − 3x − 5 = 0

x = 5/2

x = -1

500

A water balloon is catapulted into the air so that its height h, in meters, after t seconds is

 h = -4.9t² + 24.5t + 1.  What is the maximum height of the balloon?  Round to the nearest tenth.

h = 31.6 meters

Functions

100

Algebra: What type of function is this?

y-5=3(x+4) 

Linear

200

Algebra: simplify: 4(6ac - 3) + 5ac

Algebra: 29ac-12

300

Algebra: Solve for a: abc + 2h=0

Algebra: a = -2h/bc

400

Simplify: a(b - c) - 2a(c + b)

-1ab - 3ac

500

Algebra: What's the domain of a exponential function? 

All Real Numbers

vocabulary

100

Equivalent

A - same as

B- Equal to

C - both are correct

C - both are correct

200

a vertical line that cuts through the middle of the parabola, dividing it into two equal halves 

a - Maximum of parabola

B x - intercept

C line of symmetry

C

300

2(x+1) = 2x + 2 

This is 

A - Distributive property

B - Order of operations

A

400

Order of operations, or PMDAS, stands for

A - Parabola

B Parenthesis first

C - Paragraph of math

B

500

Roots of a parabola are the same as

A B and C

B X intercept

C Zeros

A

Systems of Equations

100

Julia traveled to Argentina and Chile for a total of 16 days.  In Argentina, she learned 125 new words per day.  In Chile, she learned 140 new words per day.  She learned a total of 2145 words.  Write a system of equations using x for Argentina and y for Chile.

x + y = 16

125x + 140y = 2145

200

Solve the following system of equations:

6x − 12y = 24 

−x − 6y = 4

(2, -1)

300

Solve the following system of equations:

x + 7y = 0 

2x − 8y = 22

(7, -1)

400

Solve the following system of equations:

−8x − 10y = 24 

6x + 5y = 2

(7, -8)

500

If two lines intersect, then the solution to the system is:

a.  One solution

b.  Infinitely Many Solutions

c. No solution

One solution

Exponents/Square Root

100

D

200

Simplify (4⁵)²

4¹⁰

300

 

D

400

J

500

What is the correct factor of 25x²-64?

A(5x+8)(5x-8)

B (5x-8)(5x-8)

A (5x+8)(5x-8)

Random

100

When is the Algebra I EOC?

Thursday May 22nd

200

What two things do you get to use on the Algebra I EOC?

Calculator and Reference Sheet

300

What is the first step in to graph this quadratic function?

x²+4x-12

Find the Axis of Symmetry with -b/2a

400

What form is this quadratic in?

2(x-3)(x+5)=0

Intercept Form

500

What does EOC stand for?

End of Course