Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true?

1) If b is negative, the parabola opens downward
2) If a is negative, the parabola opens upward
3) If a is positive, the parabola open upward
4) If c is negative, the parabola opens downward

Other questions in category

• Name the polynomial based on its degree and number of terms. 2 - 11x^2 - 8x + 6x^2...
• 3.) Write an equation for a plane with no x-intercept. Draw a sketch of what this plane would...
• When your daughter was born, you decided that you would start saving money for her college education...
• Gente é urgente por favor é pra prova, é pra agora
• The sum of all but one interior angle of a heptagon is 776°. what is the measure of the final interi...
• What are the coordinates of point P on the directed line
• The ratio of yellow shirts to green shirts in Ms. Grayson’s closet is 5:2. She has a total of 21 yel...
• The set of all natural numbers less than 15 write set build notation​...
• If y varies directly as x and y = 48 when x = 14, find y when x = 42...
• 1.5z+4.5+6z-0.3-3z+z Combine like terms to simplify each expression...