What is it Simplify 5(6-3)+2
2 answers:
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Answer:
1
Step-by-step explanation:
The slope of the line is 1. To find slope use the formula , this calculates the change in y over the change in x. So plug in the known values
, this equals 3/3 or 1. This means every time y increases by 1, x will also increase by 1.
Most quadratic functions(which is what you have there, to a degree of 2) are solved using factoring and the zero product law. If you can not factor then you have to use the quadratic formula or graph it. However this one can be factored.
It's pretty simple to just factor it by inspection but I use the chart method, if you know decomposition that works as well.
Factoring gives us,
Then you set each factor to 0 and solve for x,
And the second one,
The solutions to this equation are
x = -1/2, 3
It's pretty simple to just factor it by inspection but I use the chart method, if you know decomposition that works as well.
Factoring gives us,
Then you set each factor to 0 and solve for x,
And the second one,
The solutions to this equation are
x = -1/2, 3