Algebra 2 Practice for Midterm

Front

Add or Subtract to Simplify: (5x + x^2 - 4) - (4x - x^2 + 6)

Back

2x^2 + x - 10

Front

Add to Simplify: (4x - 2x^3) + (5x^3 - 4x + 5)

Back

3x^3 + 5

Front

If the discriminant is equal to 0, how many solutions are there?

Back

1 Solution

Front

Find the next three terms in the arithmetic sequence: -33, -24, -15, -6, ...

Back

3, 12, 21

Front

An object is launched directly upward at 64 feet per second from a platform 80 feet high. What will be the object's maximum height?

Back

144 ft

Front

What is the formula for the discriminant in a quadratic equation?

Back

D = b^2 - 4ac

Front

Define an arithmetic sequence.

Back

A sequence of numbers in which the difference between consecutive terms is constant.

Front

What is the vertex form of a quadratic equation?

Back

y = a(x - h)^2 + k, where (h, k) is the vertex.

Front

How do you find the maximum height of a projectile?

Back

Use the vertex of the quadratic equation representing its height.

Front

What is the sum of the first n terms of an arithmetic sequence?

Back

S_n = n/2 * (a_1 + a_n) where a_1 is the first term and a_n is the nth term.