Quadratic Equations and Solving by Taking Square Roots

Front

Solve:
x² - 49 = 0

Back

x = -7, x = 7

Front

Solve by taking square roots:
5m² + 1 = 6

Back

m = 1 or -1

Front

When solving a quadratic equation, when do you use the plus or minus (±) symbol?

Back

After taking the square root of both sides

Front

The graph of a quadratic function is called

Back

a parabola

Front

Standard form of a quadratic equation

Back

y=ax²+bx+c

Front

3x² - 4 is a quadratic

Back

true

Front

What are the green dots called?

Back

roots or x-intercepts

Front

Solve using square roots.
4m² - 100 = 0

Back

m=5, -5

Front

2x²=100

Back

x = ±5√2

Front

x² = 8

Back

x = ±2√2