erj6303
24.02.2021 •
Mathematics
IS THERE ANYONE GOOD AT MATH AND FINDING ROOTS ON GRAPHS THAT CAN HELP ME PLZ
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Ответ:
Step-by-step explanation:
A root is a value for which a given function equals zero. When that function is plotted on a graph, the roots are points where the function crosses the x-axis. For a function, f(x) , the roots are the values of x for which f(x)=0 f ( x ) = 0 .
Ответ:
3x=45
x=45/3
x=15
4y+21=7y
4y-7y= -21 multiply by -1
3y=21
y=21/3
y=7