FINAL

Front

Solve Using the Quadratic Formula: x² + 4x - 40 = -8

Back

x = -8 and x = 4

Front

Multiply: 25 × 25 × 5

Back

= 3125

Front

Calculate the determinant of the matrix: | 1 2 | 3 4 |

Back

= 10

Front

Multiply: -3 × -5 and -5 × -11

Back

= 15 and 55

Front

Add: -8 + 12 + -9 and 15 + 6 + 7

Back

= -5 and 28

Front

Quadratic Formula: What is it?

Back

x = (-b ± √(b² - 4ac)) / 2a

Front

Definition of a determinant in a 2x2 matrix

Back

For matrix | a b | | c d |, determinant = ad - bc.

Front

What is the product of two negative numbers?

Back

The product is positive.

Front

What is the sum of two negative numbers?

Back

The sum is negative.

Front

What is the result of multiplying a positive number by a negative number?

Back

The result is negative.