Is (1, -1) a solution of y = -3x - 2?

To check if (1, -1) is a solution of y = -3x - 2, you need to substitute x = 1 into the equation to see if y = -1.

y = -3(1) - 2 = -3 - 2 = -5

if x = 1 then y = -5

(1, -1) is NOT a solution of the equation y = -3x - 2

the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm