vc608572 vc608572

17-03-2021
Mathematics

contestada

Can someone please solve this using quadratic formula

2x^2 -7x -15=0

Respuesta :

mabelleanne mabelleanne

17-03-2021

Step-by-step explanation:

a=2

b=-7

c=-15

-(-7)+-sq root (-7)²-4(2)(-15) / 2(2)

7 +- sq root 169 / 4

7+- 13 / 4

7+13 / 4, 7-13 / 4

x=5 x=-3/2

Answer Link

Otras preguntas

How do I solve for x? -1/3x + 1 = -7

proposed amendments must be ratified by blank of the state either through the state legislature or through special state conventions

Use the distributive property to find two expressions that are equivalent to 7(3x-4)

A 1.05-L bulb and a 1.52-L bulb are connected by a stopcock and filled, respectively, with argon at 0.72 atm and helium at 1.08 atm at the same temperature. Cal

I NEED HELP NOW PLEASE!! A government can only be considered a democracy if it: O A. bases its laws on logic and reason rather than religion. O B. gives citizen

Jeremy is riding his bike down a straight road at 3 m/s when he accelerates at a constant rate for 5 seconds until he reaches a speed of 6 m/s. How far did he t

Tea costs $4.48 for 8 ounces. What is the cost per one ounce? Question 1 options: $1.79 per ounce $0.56 per ounce $35.84 per ounce $0.056 per ounce Question

How to simplify 8 10/8

REVIEW WORDS | 1. accost 2. adroit 3. avid 4. cajole 5. enhance 6. fabricate 7. felon 8. furtive - 9. gesticulate 10. hapless 11. intrepid 12. irate 13. laconic

What is the ordered pair of C' after point C (1, 2) is rotated 90° clockwise? C' (-1,2) C (1, -2) C' (2, 1) C' (2, -1)