Answer:

1. Which of the following mathematical statements is a quadratic equation? A 3 + 6 - 1 0.25-7623 8.3m - 72 D. dº +70-8=0 2. Through the use of the quadratic formula, one of the roots of 4d* +18d - 10 =0 is -5. What is the other root? C.2 А. B-2 0.- 3. What are the roots of the quadratic equation x-3x - 10 = 0? A 2 and 5 0.2 and 5 B. 2 and 5 D.-2 and -5 4. Which of the following is the discriminant of the quadratic equation 2x + 6x + 3 = 0? А о C. 12 D. 16 5. Which of the following is equivalent to the sum of the roots of a quadratic equation? А В. D 91- 6. Which of the following algebraic equations is transformable to quadratic equation? A 2(x + 3) = 0 C.x(- 2) = 2 B. (x-2y = x(x-2) D. x (x-2)= 0 7. The rational algebraic equation + = when transformed to quadratic equation, it resulted to? A x + 4x + 6 = 0 C.x2 - 4x + 6 = 0 B. 2 + 6x + 4 = 0 D. x2 - 6x + 4 = 0 8. The length of the rectangular garden is 5 m longer its width. The area of the garden is 84m2. What expression represents the width and the length? A w=x+5;1 = x C. w = x-5;1 = x Bw=x;l= x + 5 D. w=x:1 = x-5 9. A car travels 20 kph faster than a truck. The car covers 350 km in two hours less than the time it takes the truck to travel the same distance. What is the speed of the car? А. A 50 kph C. 70 kph B. 60 kph D. 80 kph