Answer:
x = 6, x = - 6
Step-by-step explanation:
Given
y = x² - 36
To find the zeros let y = 0, that is
x² - 36 = 0 ← x² - 36 is a difference of squares and factors in general as
a² - b² = (a - b)(a + b), thus
x² - 36 = 0
x² - 6² = 0
(x - 6)(x + 6) = 0 ← in factored form
Equate each factor to zero and solve for x
x - 6 = 0 ⇒ x = 6
x + 6 = 0 ⇒ x = - 6
Answer:
7x + 2y = 9
Step-by-step explanation:
standard form is always written as:
Ax + By = C
Answer:
Move all terms that don't contain y to the right side and solve.
y = 3 + 4
x
3c(5+c) -2(3c-7)
15c+3c^2-6c+14
9c+3c^2+14
The triangle can be isosceles or scalene but not equilateral
