Solving quadratic equations using square root

Front

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

Back

m = 1 or -1

Tags

CCSS.HSA-REI.B.4B

Front

Use the square root property to solve the Quadratic Equation: 2(x - 4)² = 200

Back

-6, 14

Tags

CCSS.HSA-REI.B.4B

Front

What are the solutions for the equation x² - x - 2 = 0?

Back

-2, 1

Tags

CCSS.HSA-REI.B.4B

Front

Solve using square roots: k² - 6 = 43

Back

k = 7, k = -7

Tags

CCSS.8.EE.A.2

Front

What is the standard form for a Quadratic?

Back

ax² + bx + c = 0

Front

What is the square root property?

Back

If x² = a, then x = ±√a.

Tags

CCSS.HSA-REI.B.4B

Front

How do you isolate a variable in a quadratic equation?

Back

Rearrange the equation to one side and set it equal to zero.

Tags

CCSS.HSA-REI.B.4B

Front

What is the discriminant in a quadratic equation?

Back

The discriminant is b² - 4ac, which determines the nature of the roots.

Tags

CCSS.HSA-REI.B.4B

Front

What does it mean if the discriminant is positive?

Back

There are two distinct real solutions.

Tags

CCSS.HSA-REI.B.4B

Front

What does it mean if the discriminant is zero?

Back

There is exactly one real solution (a repeated root).

Tags

CCSS.HSA-REI.B.4B