Graph the quadratic equation using its properties. Identify the vertex, intercepts, and axis of symmetry.y = x2 - 2x - 8
A. vertex: (1, - 9); x-intercepts: 2, 4;
y-intercept: -8; axis of symmetry: x = 1
B. vertex: (- 1, 9); x-intercepts: -4, 2;
y-intercept: 8; axis of symmetry: x = - 1
C. vertex: (- 1, - 9); x-intercepts: -4, 2;
y-intercept: -8; axis of symmetry: x = - 1
D. vertex: (1, - 9); x-intercepts: -2, 4;
y-intercept: -8; axis of symmetry: x = 1
Answer: D
You might also like to view...
For the graph below, use the nearest neighbor algorithm to find an approximate minimum Hamilton circuit and its weight, starting at the indicated vertex.
Starting at E
A. E ? B ? F ? D ? A ? C ?E; weight = 99 B. E ? B ? F ? D ? C ? A ?E; weight = 99 C. E ? B ? F ? D ? C ? A ?E; weight = 102 D. E ? B ? A ? D ? C ? F ?E; weight = 99
Use a fraction to represent the shaded area of the figure.
A. 
B. 
C. 
D. 
Multiply and simplify. Assume all variables represent nonnegative real numbers. Write your answer in radical notation.
A. x6y9
B. x6y7
C. x6y8
D. x6y8
Use a graphing calculator to approximate all real solutions of the equation.y = x4 + 6x3 + 7x2 - 6x - 8
A. -4, -2, 1, 1 B. -1, 1, 2, 4 C. -2, -1, 1, 4 D. -4, -2, -1, 1