Question

Which statements are true about the parabola represented by the equatlon y = 3x 2 -15x+30​

Answer 1

y = 3x² - 15x + 30
y = 3(x² - 5x) + 30
y = 3(x² - 5x + (5/2)²) + 30
y = 3(x - 5/2)² + 30
The parabola opens upwards. Vertex at (5/2, 30)