1. Solve by graphing.x2 + 2x 3 = 0 (1 point) 1, 3 1, 3 1, 3 1, 3 This item has been reviewed and is scheduled to be updated. All students will receive full credit for any response to the following. 2. The function y = 0.024t2 + 0.54t models the height y in feet of your pet frogs jump t seconds after it jumps. How far did the frog jump? How high did it go? (1 point) The frog jumped about 22.5 ft far and about 11.25 ft high. The frog jumped about 3.04 ft far and about 22.5 ft high. The frog jumped about 11.25 ft far and about 3.04 ft high. The frog jumped about 22.5 ft far and about 3.04 ft high. 3. Solve the quadratic equation by completing the square.x2 + 6x + 7 = 0 (1 point) 4. Simplify the expression.(3 i) (2 + 6i) (1 point) 1 7i 1 + 7i 6i 5 + 5i 5. What is the number of real solutions?11×2 = x + 11 (1 point) cannot be determined one solution two solutions no real solutions 6. Identify the graph of 3i. (1 point) 7. What are the solutions?16×2 + 9 = 0 (1 point) i, i i, i , i, i 8. Use graphing to find the solutions to the system of equations. (1 point) (4, 0)(1, 3) (3, 0)(2, 1) (4, 0)(1, 3) (3, 0)(2, 1) Note: This item has been reviewed and is scheduled to be updated. All students will receive full credit for any response to the following. Note: Remember to show all of the steps that you use to solve the problem. You can use the comments field to explain your work. Your teacher will review each step of your response to ensure you receive proper credit for your answer. What are the solutions of the quadratic equation?2×2 16x+ 32 = 0 11. What is the solution of the equation?5×2= 50 12. Use the quadratic formula to solve the equation.4×2 6x 10 = 0 13. Simplify the number using the imaginary unit i. 14. Simplify the expression.
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