Algebra 2 Semester Test

Front

Solve by elimination: 7x + y = -9 and -3x - y = 5

Back

(-1, -2)

Front

What is i^13?

Back

i

Front

Which system of inequalities matches the graph? y > 2x - 4 and y < 2

Back

y > 2x - 4, y < 2

Front

Use elimination or substitution to solve the systems: 2x + 3y = 6 and x - y = 1

Back

(2, 0)

Front

Solve for x: |2x - 1| = 9

Back

x = 5 and x = -4

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / 2a

Front

Define a system of equations.

Back

A set of two or more equations with the same variables.

Front

What does it mean for a system of equations to be inconsistent?

Back

There is no solution; the lines are parallel.

Front

What is the discriminant in a quadratic equation?

Back

The value b² - 4ac that determines the nature of the roots.

Front

Solve for y: 3x + 2y = 6

Back

y = 3 - (3/2)x