3 years ago

Find the discriminat 2x^2 + 8x - 9 = 0

Mathematics

1 answer:

alexandr402 [8]3 years ago

3 0

Answer:

2x^2 + 8x - 9 = 0

2x^2 + 8x = 9

2x^2 + x = 9/8

x^2 + x = 9/8×2

x^2 + x = 9/16

2x = √9/16

x = √9/32

You might be interested in

a girl showing half her body gets answered quicker then a math post. all I want is the answer to this and no one helps me sooooo

Gre4nikov [31]

The percent error would be 5.8%.

3 0

3 years ago

Translate this word sentence to mathematical symbols: a. Three more than twice a number

maxonik [38]

2x+3=2

Correct me if I'm wrong.

7 0

3 years ago

Read 2 more answers

Write the following in standard form: Write A = 4 B = 2 C = 7

bonufazy [111]

Answer:

4x + 2y = 7

Step-by-step explanation:

The standard form equation goes as follows: Ax + By = C

We know what A, B, and C is so all we need to do is fill them in.

7 0

2 years ago

1) Find 0.2+(-0.6). » Model the expression on the number line

Temka [501]

Answer:

-0.4

Step-by-step explanation:

If using a number line, start at 0.2 and go backwards 0.6 to get to -0.4

5 0

3 years ago

Answer this question what is 300 x 72

Anika [276]

Answer:

21,600

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers