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 :

DWRead
DWRead DWRead
  • 01-02-2021
b -7, so x = [7 ± √(7^2-4(1)(-2))]/[2(1)]
Answer Link

Otras preguntas

What is the value of x?
If using the method of completing the square to solve the quadratic equation x^2+15x+25=0x 2 +15x+25=0, which number would have to be added to "complete the
Find the area of a rectangle with the length measuring 8 km and the width measuring 5 km.A. 26 m2B. 40 m2C. 40 km2D. 26 km2​
Write the value of the expression 2^3/2^3
Last Saturday, the average temperature was 8% higher than the average temperature, 2 Sundays ago, the average temperature 2 Sundays ago with T degrees Celsius,
During an experiment of momentum, trolley, X, of mass (2.34 ± 0.01) kg is moving away from another trolley, Y, of mass (2.561 ± 0.001) kg with a speed of (3.2 ±
In what ways the Bill of Rights protect the rights of citizens?
Can anybody answer these questions 4-5 sentences
what is the series written in sigma notation?
Middle question: computer science 7th grade