Question: 3. Solve 4a^4 - 8a^2 + 4 = 0 for a and list all of the solutions. Explain how you got your answer. 4. The

3. Solve 4a^4 - 8a^2 + 4 = 0 for a and list all of the solutions. Explain how you got your answer. 4. The perimeter of a square is 20 meters. Explain how you can use this information to find the area of the same square. A. Combine the formula for the perimeter and area of a square into a single formula. Then substitute P = 20 and solve for s using the order of operations. B. You can use the formula for the perimeter of a square to find the length of one of the square's sides. Then substitute that information into the formula for the area of a square and solve. C. You can determine the length of one of the square's sides from given information. Substitute the value for s into each of the formulas for a square's perimeter and area. The value of P will be equal to the value of A. D. Use the formula for the area of a square to find the length of a single side of the square. Then substitute that information into the formula from the perimeter of a square and solve. 5. The zero of quadratic function is x = -1/2. What does this tell you about the graph of this quadratic function? A. The parabola touches the x-axis at the origin. B. The parabola crosses the x-axis at x = -1/2. You can substitute this value into the quadratic function to find the location of the other zero. C. The parabola touches the x-axis in on place, x= -1/2. D. The parabola crosses the x-axis in two places, x = -1/2 and x = 1/2. 6. Find (f * g) (a) if f(a) = a^2. Fully simplify your answer. A. (f * g)(a) = a B. (f * g) (a) = 1/a^2 C. (f * g) (a) = 1 D. (f * g) (a) = 1/a 7. Which if the following is NOT a solutionof f 4t^3 - 12t^2 - 4t + 12 = 0? A. t=3 B. t=-1 C. t=0 D. t=1 8. Can you use the pattern (a * x + c) (a * x - c) = 0 to solve 121x^2 = -144? Explain. 9. Find the rational roots, if any, of the polynomial f(n) = 3n^4 + 2n^2 + n - 6. Explain how you came up with your answer. 10. Album has two linear equations. The product of their slopes is -1. What is true about the graphs of these two equations? Explain. 11. Solve the rational equation 5/x + x+5/x+2 = - 11/x^2 + 2x. A. x = -7, x = -3, x 0, x -2 B. No solution C. x = -7, x = -3, no restrictions D. x = -7, x = 3, x 0

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