Solve Quadratic Equations by various methods

Front

Using the graph solve the equation
-x²-2x+3=-5. Options: {-3,-1}, {-2,0}, {-4,2}, {-1,4}

Back

{-4,2}

Front

Solve by factoring: x² - 9x + 20 = 0

Back

x = 4 and x = 5

Front

Solve the equation: 2d² = 8

Back

-2, 2

Front

Solve by taking square roots: 5b² - 4 = 41

Back

b = 3, b = -3

Front

What should you do first to solve this equation using quadratic formula? x² + 6x - 13 = 3

Back

Make it equal 0 by subtracting 3 on each side

Front

In the equation x² - 5x + 7= 0, match each leading coefficient with its correct letter for a, b and c

Back

a = 1, b = -5, c = 7

Front

What is the first step to solving THIS equation by completing the square? a² + 10a + 21 = 0

Back

Subtract 21 from both sides

Front

What number goes in the blank to complete the square for this trinomial? x² – 8x + ___

Back

16

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

When solving the equation x² - 12x + 4 = 20 by completing the square, what values would go in the two blanks? (________)² = ______

Back

x - 6; 42