Overview: 4 questions will be solved this time.Among them
☆4 equations
[ 1/4 Equation]
Work: Find the solution of equation x^2 = 4 .
Question type: Equation
Solution:
After the equation is converted into a general formula, it is converted into:
( x + 2 )( x - 2 )=0
From
x + 2 = 0
x - 2 = 0
it is concluded that::
x1=-2
x2=2
There are 2 solution(s).
解一元二次方程的详细方法请参阅:《一元二次方程的解法》[ 2/4 Equation]
Work: Find the solution of equation x^2 = 5 .
Question type: Equation
Solution:
After the equation is converted into a general formula, it is converted into:
( x + √5 )( x - √5 )=0
From
x + √5 = 0
x - √5 = 0
it is concluded that::
x1=-√5
x2=√5
There are 2 solution(s).
解一元二次方程的详细方法请参阅:《一元二次方程的解法》[ 3/4 Equation]
Work: Find the solution of equation x^2 = 6 .
Question type: Equation
Solution:
After the equation is converted into a general formula, it is converted into:
( x + √6 )( x - √6 )=0
From
x + √6 = 0
x - √6 = 0
it is concluded that::
x1=-√6
x2=√6
There are 2 solution(s).
解一元二次方程的详细方法请参阅:《一元二次方程的解法》[ 4/4 Equation]
Work: Find the solution of equation x^2 = 7 .
Question type: Equation
Solution:
After the equation is converted into a general formula, it is converted into:
( x + √7 )( x - √7 )=0
From
x + √7 = 0
x - √7 = 0
it is concluded that::
x1=-√7
x2=√7
There are 2 solution(s).
解一元二次方程的详细方法请参阅:《一元二次方程的解法》Your problem has not been solved here? Please go to the Hot Problems section!