Name: Algebra 2 Chapter 2 Test 1. Is x=10 a solution to - x2 - 8x- 20=0? 2. Graph -50x+30y=900 3. Graph y= -5x + 8 4. Graph y=-4 5. Graph x=3 6. Graph y > 3x+1 The following information is given after a linear regression R=-0.8 R2=0.64 m= 0.711 b= 4.193 7. What is the equation of the best fit regression line? 8. What is the predicted y value, if x= 10?