What is the value of 2x squared plus 3x - 5 when x equals negative 2

Answers

Answer 1

Answer:

Answer: -3

Step-by-step explanation:

i used a graphing calculator

Related Questions

What is the value of the function when x = 6?
Stretch your thinking Will you make a new ten to solve this problem? 59 + 17 explain
What number is 25% of 280
What is the area of the figure?A. 280 in2 B. 436 in2 C. 501 in2 D. 520 in2
Twelve boys collected 16 aluminum cans each. Fifteen girls collected 14 aluminum cans each. How many more cans did the girls collect than boys?

Is 18-3(2p+4)-3p equivalent to 3(2-3p)

Answers

Answer: yes they are equivalent

Step-by-step explanation:

18-3(2p+4)-3p

18-6p-12-3p

6-9p

3(2-3p)

6-9p

6-9p=6-9p

In an election, 11 of 20 voters preferred Ms. Williamson to Ms. Stallings. A total of 3300 people voted in the election.How many voters preferred Ms. Williamson to Ms. Stallings?

A.
1815

B.
3291

C.
4185

D.
6000

Answers

The answer would be 1815, so A.

What is the length of AB.

Answers

To find the length of AB in triangle ABC with $BAC = BCA = 50^\circ$ , apply the Law of Sines. Solving for x, we find x = 3. Substituting this into AB = 4x, the length of AB is 12 units, corresponding to answer (d).

To find the length of AB, we can use the Law of Sines in triangle ABC:

$(AB)/(\sin BAC) = (BC)/(\sin BCA)$

Substitute the given values:

$(4x)/(\sin 50^\circ) = (2x + 6)/(\sin 50^\circ)$

Cancel out $\sin 50^\circ$ from both sides:

4x = 2x + 6

Subtract 2x from both sides:

2x = 6

Divide by 2:

x = 3

Now, substitute x = 3 back into AB = 4x:

$AB = 4 * 3 = 12$

So, the correct answer is (d) 12.

Applying the Law of Sines to triangle ABC with angles $BAC = BCA = 50^\circ$ , we find x = 3. Substituting into AB = 4x, the length of AB is 12 units. The Law of Sines relates the lengths of sides in a triangle with the sine of their opposite angles, enabling the determination of AB as 12 units (option d).

For more questions on triangle :

brainly.com/question/1058720

#SPJ6

think of it like this
4x=2x+6
subtract two from 4
2x=6
x=3

Write an inequality for each situation
There are at least 24 pictures on the roll of film.