" " ) solve this equation x 2 - 4 x + 3 = 0 using each strategy 1 ) The total area of the large rectangle below is 24 m ? below , which strategy do you prefer ? Explain why , Determine the value of x a . ) Factoring b.) completing the square Xm . ) using the quadratic formula . 2m 2 m *m Xm 7 Calculate the value of discriminant for the equation 2. ) A baseball is hit upward . The approximate height of the - 2 x 2 6ex - 2 = 0. How many roots does the equation have ? baseball , h metres , after + seconds is modelled by this Formula : h = 1+ 15+ - 5+2 when is the baseball I'm high ? 8 .) without solving , determine the number of real roots of this equation : x 2 - 2 x + 1 = 0 3. ) Consider the quadratic equation x 2 + bx t. 5 : 0, where b ad ) 0 bi ) 2 ci ) 1 is a constant , Determine the possible values of b so that this equation has real solutions . 9 . ) calculate the value of the discriminant for this equation 4 x2 + 6+ 1 =0 4 . ) Solve by completing the square 10 .) Determine the values of K for which the equation : X + 8 x 7 13 = 0 - 4 x 2 +3 x +7=0 Ky 2 + Cox + 3 = 0 has two real roots , then write a possible equation . 5 . ) A car was travelling at a constant speed of ISif then accelerated for 10s. The distance travelled 1 1 .) Create two different quadratic equations whore during this time , d metres , is given by the formula discriminant is 64, Explain your strategy . 1 = 15+ + 0. 72 where & is the time in seconds since the acceleration began. How long did it take 12 . ) Factor Fully ( Factoring other polynomials) the car to travel 500m? a1)5 2 - 36 bidm 4-16 (:) 9 *2 - 3 0 xy + 25 g2 do) 4 x 2 + 36* + 81