5/2/24, 2:59 PM 1.11 - Activity - Using the Quadratic Formula-PZ 1.11 - Activity - Using the Quadratic Formula-PZ .Points 40 Submitting a file upload O Attempts 0 • Allowed Attempts 1 Amy and Richard each solved an equation using the quadratic formula. Amy's Equation and Method 4x²+7x-20 = 0 -7±√72-4(1)(20) Step 1: x = 2(4) Step 2: x = -7±√49-80 8 Step 3: x = -7±√-31 8 -7±i√31 Step 4: x = 8 Richard's Equation and Method x²-6x+8=0 6±√(-6)²-4(1)(8) Step 1: x = 2(1) Step 2: x = 6±√36-32 2 6±√4 Step 3: x = 2 6+√4 6-√4 Step 4: x = and x = 2 2 5/2/24, 2:59 PM Step 5:x= 6+2 and x = 6-21 2 Step 6:4 and x = 3-i 1.11-Activity- Using the Quadratic Formula-PZ Both students made a mistake. 1. Describe the mistake each student made. 2. Explain what each student needs to do to fix their mistake. 3. Create your own quadratic equation, and explain how to use the quadratic formula to solve it. Be specific, using a, b, and c of your equation and giving the solutions to the equation you chose. File Upload CK-12 Practice Google Drive Upload a file, or choose a file you've already uploaded. Upload File Use Webcam + Add Another File Click here to find a file you've already uploaded Comments... Cancel Submit Assignment