Loukqcsophia Loukqcsophia

03-02-2017
Mathematics

contestada

What 2 numbers add to 17 and multiply to -168?

Respuesta :

wolf1728 wolf1728

07-02-2017

A) x + y = 17
B) x * y = -168

y = -168/x then inputting this into A)

x + -168/x = 17
x^2 -168 -17x = 0

x = 24 and x = -7

Answer Link

Otras preguntas

3. You have a variable-voltage power supply and a capacitor in the form of two metal disks of radius 0.6 m, held a distance of 1 mm apart. What is the largest v

If charge on only one object is tripled, determine the new force between them:

simplify 2x²y²÷m³×m²÷2xy

8. Find an equation in standard form for the ellipse with the vertical major axis of length 16 and minor axis of length 4

The year of Average 11, 15, 17, X+1, 19, X-2, 3 is 14. Find median.

indian National congress was founded. _______a) 1877 b) 1915c) 1885d) 1947

Recently, House Representative Ken Weaver of Washington State proposed a bill (House Bill R-9687b) that would raise the legal driving age to 21. You heard me ri

I need help writing a short one-page long sci-fi story for my Plato class.

Expand (2x - 4)2 using the square of a binomial formula. (x)2 + 2(x)(4) + 42 O (2x)2 + 2(2x)(4) - 42 O(x2 - 2(x)(4) - 42 (2x)2 - 2(2x)(4) + 42

The first five terms of an arithmetic sequence are shown below: 20, 17, 14, 11, 8, . . . Let n represent the term number and f(n) the term in the sequence. Choo