Answer: If the quadratic equation has real, rational solutions, the quickest way to solve it is often to factorise into the form (px + q)(mx + n), where m, n, p and q are integers. This is especially true where the coefficient of x2 is 1.

Example 1 - Solve x2+7x+12=0

Step-by-step explanation:

that's the only one I remember

8 0

2 years ago

Read 2 more answers

How do I solve this? It says solve each right angle and then to round answers to the nearest tenth.

mariarad [96]

Answer:

19.2

Step-by-step explanation:

Add 12 squared to 15 squared(144+225)

Square root the answer( $\sqrt{369}$ )

Round to the nearest tenth(19.209)

7 0

2 years ago

In which case would it be necessary to find the area of this circle

9966 [12]

You need to know the area if you're going to
1st selection: cover the surface of the dartboard.

7 0

3 years ago