how do you do a check on factoring trinomials with a leading coefficient? (leading coefficient is greater than 1)

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

X+y=-4 x-y=2 use elimination with adding and subtraction

Which graph depicts the path of a projectile