Toothpickboy4452 Toothpickboy4452

03-07-2018
Mathematics

contestada

Suppose that a is a nonzero constant for which the equation ax^2+20x+7=0 has only one solution. find this solution.

Respuesta :

konrad509 konrad509

03-07-2018

[tex]\Delta=0\\\\ \Delta=20^2-4\cdot a\cdot7=400-28a\\ 400-28a=0\\ 28a=400\\ a=\dfrac{400}{28}=\dfrac{100}{7} [/tex]

Answer Link

Otras preguntas

How is mufaros beautiful daughters and yeh shen different

Review the graph of complex number z. On a coordinate plane, the y-axis is labeled imaginary and the x-axis is labeled real. Point z is at (negative 3, 1). What

The ruana is similar to a: tablecloth coat poncho skirt

g(x)=-2x-5 what is g(-3) a.1 b.6 c.-11 d.-6

If sleep is good for the brain why isn't aloud in school ??

If you pull a card from a standard deck of 52 and then pull a second card without replacing the first card, you have about a ____ chance(round to nearest percen

The place where buyers and sellers interact is called a _____. A. market segmentation B. market share C. market D. target market

help please i need to turn this in

If the school budget allotted $200 for fraction materials, decide what would be your priority purchases.

The backbone is also known as the vertebral column. Justify in accordance with both the terms used