Bill and Jenna are solving the quadratic equation x^2 0 x = 12.
2 answers:
Answer:
Jenna is correct. Bill made mistake in his first step, he did not write the equation in general form of quadratic equation.
Step-by-step explanation:
The given equation is
The general form of a quadratic equation is
The given equation can be written as
Therefore, Jenna is correct.
Bill made mistake in his first step, he did not write the equation in general form of quadratic equation.
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Let us say, the number is "a"
one less than "a" is ... well a - 1
2/5 of that will be... well, 2/5 * ( a - 1)
one more than "a" is... well a + 1
3/5 of that is.. hmmm 3/5 * (a + 1)
now, we're told that, the first expression is "less than" the second one, thus
solve for "a", or make it "x" if you wish, same thing anyway
one less than "a" is ... well a - 1
2/5 of that will be... well, 2/5 * ( a - 1)
one more than "a" is... well a + 1
3/5 of that is.. hmmm 3/5 * (a + 1)
now, we're told that, the first expression is "less than" the second one, thus
solve for "a", or make it "x" if you wish, same thing anyway
Answer:
Lines are parallel.
Step-by-step explanation:
The given lines are
Rearrange the equation in the slope intercept form that is where
is the slope.
<em>First Line:</em>
compare it with
slope () of first line
<em>Second Line:</em>
divide both by
compare it with
slope of second line
Since slope of two lines are equal
hence these lines are parallel.
I've uploaded a photo with the answer because it's too hard to do this out on the computer.
