2 years ago

Consider the equation:

Mathematics

1 answer:

snow_tiger [21]2 years ago

8 0

Answer:

x² + 2x - 15 = 0

x² + 2x + 1 = 16

(x + 1)² = 16

You can then go forward with that to solve it:

x + 1 = √16

x = -1 ± √16

x = -1 ± 4

x = 3, -5

You might be interested in

Find the area of the shaded region where s 18. Round your answer to two decimal places.

lisabon 2012 [21]

Answer:

Step-by-step explanation:

17.3&

7 0

2 years ago

....Help Please.......

Marina CMI [18]

Answer:

The first two tables show y as a function of x.

Step-by-step explanation:

A relation is not a function if the same x-value shows up more than once in the table. That will be the case for the last two tables, each of which has x=2 show up twice.

4 0

2 years ago

A number multiplied by -7, subtracted drom the sum of 7 and five times athe number

Ad libitum [116K]

I always use Socratic see if that’ll help

7 0

2 years ago

Read 2 more answers

Holaa cómo están espero que bien

9966 [12]

Answer:

si muy bien y tu?

Step-by-step explanation:

6 0

2 years ago

Why isn't D the answer? Isn't it also positive and concave up?

ArbitrLikvidat [17]

Step-by-step explanation:

At d, f'(x) is increasing (concave up), but it is not positive. The tangent line at that point has a negative slope.

7 0

3 years ago