- -
Solved Examples
Click on a 'View Solution' below for other questions:
DDD Find the coordinates of the vertex of the graph of y = - 5x2 + 10x - 9.
 DDD
View Solution
DDD What are the coordinates of the vertex of the graph of y = - 7x2 + 3?
 DDD
View Solution
DDD What are the coordinates of the vertex of the graph of y = x2 - 6x? DDD View Solution
DDD Find the coordinates of the vertex.
y = - x2 + 2x
 DDD
View Solution
DDD A rocket fired takes a trajectory path described by the function h = 81t - 16t2 where h is the height (in feet) of the rocket from the ground after a time of t seconds. What will be the height of the rocket after a time of 3 seconds? DDD View Solution
DDD At how many points does the graph of y = 2x2 + 8x + 8 intersect the x-axis?
 DDD
View Solution
DDD At how many points does the graph of y = 5x2 - x - 3 intersect the x-axis? DDD View Solution
DDD At how many points does the graph of y = x2 - 3x + 21 intersect the x-axis?
 DDD
View Solution
DDD At how many points does the graph of y = 2x2 - x + 10 intersect the x-axis?
 DDD
View Solution
DDD Find the coordinates of the vertex of the graph of y = - 5x2 + 10x - 8.
 DDD
View Solution
DDD What are the coordinates of the vertex of the graph of y = - 6x2 + 7?
 DDD
View Solution
DDD What are the coordinates of the vertex of the graph of y = - 6x2 + 5?
 DDD
View Solution
DDD Which is the graph of the quadratic function y = x2 - 3? DDD View Solution
DDD Find the coordinates of the vertex of the graph of y = - 4x2 + 8x - 4.
 DDD
View Solution
DDD Which of the following equations best represents the graph? DDD View Solution
DDD Which of the graphs best suits the quadratic function y = x2 - 2x + 2? DDD View Solution
DDD Which graph best represents the quadratic function y = - x2 - 2x + 1?
 DDD
View Solution
DDD What are the coordinates of the vertex of the graph of y = x2 - 2x? DDD View Solution
DDD Find the coordinates of the vertex.
y = - x2 + 4x
 DDD
View Solution
DDD What is the axis of symmetry of the graph of y = x2 + 2x - 3?
 DDD
View Solution
DDD What is the axis of symmetry for the graph of y = - x2 + 2x - 1? DDD View Solution
DDD What is the axis of symmetry of the graph of y = - x2 + 9? DDD View Solution
DDD What is the axis of symmetry of the graph of y = - x2? DDD View Solution
DDD Which of the following equations represents the graph shown?
 DDD
View Solution
DDD Which equation is represented by the graph shown?
 DDD
View Solution
DDD Which of the following equations best represents the graph shown? DDD View Solution
DDD In what direction does the graph of y = x2 open?
 DDD
View Solution
DDD In what direction does the graph of y = - x2 open?
 DDD
View Solution
DDD Which of the following describes the graph of the parabola y = x2 - 2x + 2?
 DDD
View Solution
DDD Does the graph of y = - x2 have a highest point or a lowest point? Find its vertex.
 DDD
View Solution
DDD Does the graph of y = x2 have a highest point or a lowest point? Find its vertex.
 DDD
View Solution
DDD Which of the following describes the graph of the parabola, y = 2x2 - 3? DDD View Solution
DDD What is the axis of symmetry of the graph of y = x24? DDD View Solution
DDD Does the graph of y = - 3x2 + 2 has a highest point or lowest point? Find the vertex.
 DDD
View Solution
DDD Which of the graphs best suits the quadratic function?
y = - x23 + 2
 DDD
View Solution
DDD In which direction does the graph of y = - 2(x25) open and tell whether the y-coordinate of the vertex is maximum or minimum? DDD View Solution
DDD A rocket fired takes a trajectory path described by the function h = 78t - 16t2 where h is the height (in feet) of the rocket from the ground after a time of t seconds. What will be the height of the rocket after a time of 3 seconds? DDD View Solution
DDD At how many points does the graph of y = x2 - 9x - 22 intersect the x-axis?
 DDD
View Solution
DDD At how many points does the graph of y = x2 + 4x + 4 intersect the x-axis? DDD View Solution
DDD At how many points does the graph of y = 3x2 + 4x - 10 intersect the x-axis?
 DDD
View Solution