Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = (x - 17)2 + 8
A. Vertex: (8, -17)
B. Vertex: (17, 8)
C. Vertex: (-17, 8)
D. Vertex: (8, 17)
Answer: B
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Divide.(-16x3 - 32x2 - 23x - 6) ÷ (-4x - 3)
A. x2 + 5x + 2 B. x2 - 5x - 2 C. 4x2 + 2 D. 4x2 + 5x + 2
Use the determinant feature of a graphing calculator to solve the system by Cramer's rule . (Round to one decimal place.)2.3x + 7.1y + 3.8z = 2.54.5x - 7.0y - 1.1z = -3.54.8x + 11.4y + 4.5z = 8.5
A. {(1.6, 2.9, -5.0)} B. {(0.1, 0.3, -0.5)} C. {(0.3, 0.6, -1.0)} D. {(0.7, 1.3, -2.3)}
For the restaurant bill, estimate the tip. Then find the exact amount of the tip. State your answers to the nearest hundredth.The restaurant bill is $18.86. Give the estimate of a 20% tip and the exact amount of a 20% tip.
A.
| Estimate: $1.00 | Exact: $0.94 |
B.
| Estimate: $4.00 | Exact: $3.77 |
C.
| Estimate: $3.00 | Exact: $2.83 |
D.
| Estimate: $2.00 | Exact: $1.89 |
In a right triangle, find the length of the side not given. Approximate to three decimal places, if necessary. Keep in mind that a and b are the lengths of the legs and c is the length of the hypotenuse.a = 6, b = 5
A. c = 30 B. c = 11 C. c = 7.81 D. c = 4.69