b a 4. Which of these equations describe a linear equation! a. 2(x + 3)2 = 0 b. y + 3x2 = 0 c. x + y = 5 5. Which of the following tables describe a linear equation? a. X 0123 b. x 0246 c. x 0 123 y 4 5 6 7 y 3469 y5225 6. If the slope of the line is 4 and whose y-intercept = 6, then what