Algebra Semester 2 Finals

Front

What is exponential growth?

Back

Front

What is the absolute value inequality solution for |x + 3| > 8?

Back

The solution is x > 5 or x < -11.

Front

How do you factor the expression k^2 + 7x + 10?

Back

The expression factors to (k + 2)(k + 5).

Front

What is the elimination method in solving systems of equations?

Back

The elimination method involves adding or subtracting equations to eliminate one variable, making it easier to solve for the other variable.

Front

What is the quadratic formula?

Back

Front

What does it mean for a function to be a decay function?

Back

A decay function decreases over time, typically represented by a function where the base of the exponent is between 0 and 1.

Front

What is the solution to the quadratic equation x^2 - 7x + 12 = 0 using the quadratic formula?

Back

The solutions are x = 3 and x = 4.

Front

What is the significance of the discriminant in a quadratic equation?

Back

Front

How do you solve the equation 4x + 9y = 28 and -4x - y = -28 using elimination?

Back

By adding the two equations, we eliminate x and find y = 0, then substitute back to find x = 7.

Front

What is a linear equation?

Back