bewellplus.gsu.edu
Needa234 Needa234
  • 20-02-2017
  • Mathematics
Answered

Use a quadratic equation to find two real numbers that satisfies the situation.

The sum of the two numbers is 7 and their product is 14.

Verified Answer :

wolf1728
wolf1728 wolf1728
  • 20-02-2017
Ax + y = 7
B) x y = 14

y = 7 -x
Inserting this into B)
B) x (7-x) = 14
7x -x^2 = 14

-x^2 + 7x - 14 =0
Can't find the solution
Perhaps it should read the sum = 9?
Then x = 2 and y = 7
Answer Link

Related Questions

5x3 2x3 7x3 x3
Ninety percent of Australians live in A the outback B urban coastal cities C rural areas D the bush
The product of two consecutive odd integers is 77 more than twice the larger integerfind the integers
is 23 greater than 15
According to erikson adolescence is to identity as late adulthood is to
In which case do you need to reverse the inequality sign when solving an inequality when adding or subtracting a negative number when multiplying or dividing by
how do i graph y2x3
how many litres of 0500M HCLaq are needed to react completely with 0100 mol of PbNO32 forming a precipitate of PbCl2splease explain
What consists of a series of related instructions that tells the computer what tasks to perform and how to perform them
what did cheap land in the west New farm machinery and the growth of railroads lead to in the late 1800s