For the given quadratic equation, determine whether the parabola opens up or down, find the vertex of the parabola, and find the axis of symmetry.y = -4x2 + 8x - 7
A. down; (-1, -3); x = -1
B. up; (-1, -3); x = -1
C. down; (1, -3); x = 1
D. up; (1, -3); x = 1
Answer: C
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Find the dimension of the object and state whether or not it is a fractal.In measuring the area of the object, when you reduce the length of your ruler by a factor of 6 the number of length elements increases by a factor of 36.
A. The dimension is 3 and the object is ordinary (non-fractal). B. The dimension is 2 and the object is ordinary (non-fractal). C. The dimension is 1 and the object is ordinary (non-fractal). D. The dimension is 6 and the object is a fractal.
Use the data shown in the scatter plot to determine whether the data should be modeled by a linear function.
A. No, data points do not lie close to a line B. Yes, exactly linear C. Yes, approximately linear
Solve the problem.At the end of the day, a storekeeper had $1155 in the cash register, counting both the sale of goods and the sales tax of 5%. Find the amount of the tax.
A. $45 B. $50 C. $60 D. $55
Find the least common multiple of the given polynomials.x2 - 5x - 24, x2 - 9, x2 - 11x + 24
A. (x + 8)(x - 3)2 B. (x - 8)(x + 3)(x - 3) C. (x + 8)(x + 3)(x - 3) D. (x - 8)(x + 3)