isabella79467 isabella79467

01-02-2021
Mathematics

contestada

A student is trying to solve x^2-7x-2=0
using quadratic formula find the value of b

Respuesta :

01-02-2021

b -7, so x = [7 ± √(7^2-4(1)(-2))]/[2(1)]

Answer Link

Otras preguntas

A tale told by a character within a framing fictional narrative is called _____. a cause-and-effect relationship a theme an epiphany a story within a

When did modern humans, or Homo sapiens firs appear

The expression s2 is the area of a square, where s is the side length of the square. What does the expression (6x)2 represent? A) the area of a square with a s

Please help solve this: [tex] 3^{x + 1} = 100[/tex]

Solving equations 6x+7=8x–13

hich phrase from the sentence gives it a formal tone? With great sorrow and many fond memories, I must leave this important phase of my life and move on to more

number 4 I have absolutely no idea how to do. I generally understand finding distance on the coordinate plane but this has really confused me. Please help.

Marissa pedals her tricycle down the sidewalk. At what age was she likely first able to pedal? A. One year old B. Two years old C. Three years old D. Four years

The Richter scale is used to measure the magnitude of an earthquake. The magnitude, R, is given by the earthquake. Determine the amount of energy released be an

The perimeter of a rectangle is 44 inches, and its area is 105 square inches. find the length and width of the rectangle.