Solving Quadratics

Front

Which equation matches the standard form of a quadratic? Options: ax + by = c, y = a(x - h)² + k, y = ax² + bx + c, y = mx + b

Back

y = ax² + bx + c

Front

Solve by factoring: x² - 9x + 20 = 0

Back

x = 4 and x = 5

Front

x² + 44 = -15x

Back

{-11, -4}

Front

Solve
a² + 2a - 24 = 0

Back

a = {-6, 4}

Front

Solve using the Square Root Method: 4m² - 100 = 0

Back

m=5, -5

Front

Solve using square roots.

Back

A

Front

Solve using square roots.

Back

±9

Front

Back

x= -6, 6

Front

What do you do to the b value to correctly complete the square?

Back

divide it by 2 and square the result

Front

When do you use the plus or minus symbol (±)?

Back

After taking the square root of both sides