Find the zeroes of the polynomial using the quadratic formula.

1 answer:

6 0

Answer:

Step-by-step explanation:

2x² - 3x - 15 = 5

2x² - 3x - 20 = 0

Quadratic formula

x = [3 ± √(3² – 4·2(-20))] / [2·2]

= [3 ± √169] / 4

= [3 ± 13] /4

= -2.5, 4

You might be interested in

Tcecarenko [31]

Answer:

A 2lb. bag because 1.50 x 2 = 3.00$ plus the extra 1 lb which is 75c = 3.75 $

Step-by-step explanation:

Could i have branliest and heart please

8 0

3 years ago

lisabon 2012 [21]

Heather is about 167.5 cm

5’7” is equal to 67 inches
when you multiply 67 inches by 2.5 cm (which is around 1 inch) you get 167.5cm

5 0

4 years ago

MissTica

Answer:

Step-by-step explanation:

7 0

3 years ago

prohojiy [21]

Answer:

I would say it's d (sorry if im wrong)

3 0

3 years ago

Paul [167]

See tha attached pdf file and let me know how useful this answer is.

6 0

3 years ago