Does the equation 2x-4y=0 represent a direct variation

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

For the inequality |c| < |d| to be true, which of the following must be true?