15
-9
3
3/7
4
An equation has an equals sign ( = ). Equations assert the absolute equality of two expressions.
Well, to answer your question,
Without the inclusion of an equality sign and not knowing the plus or minus values of the given terms it can't be considered to be a straight line equation
3
3/7
4
That depends on the equation.
Without an equality sign the given expression can't be considered to be an equation but if it equals 0 then using the quadratic equation formula will give its solutions.
5
Left
Just swap the letter around in the formula that you are given!
The slope of the graph of that equation is -1.
The slope is (-7) . The slash mark is not required.
2.3