The two at the top technically means how many times the number in the bracket times ITSELF by, so its technically -3 x -3 which is +9 , cause a negative x negative = positive
Sonal went to school for 219 days in a full year. if her attendance is 75 percent find the number of days on which the school was open
Answer:
The pairs of integer having two real solution for are
Step-by-step explanation:
Given
Now we will solve the equation by putting all the 6 pairs so we get the following
for
for
for
for
for
for
The above all are Quadratic equations inn general form
where we have a,b and c constant values
So for a real Solution we must have
for we have
which is less than 0 ∴ not a real solution.
for we have
which is greater than 0 ∴ a real solution.
for we have
which is greater than 0 ∴ a real solution.
for we have
which is greater than 0 ∴ a real solution.
for we have
which is equal to 0 ∴ a real solution.
for we have
which is less than 0 ∴ not a real solution.
Answer:
x=−2
Step-by-step explanation: