Algebra Answers

10 workers can earn rest. 720 in 12 days working a hour a day. How much will 16 workers earn in 24 days working 6 hours a day

One half the cost of lunch. Algebraic to verbal.

Find the value of d in the equation. -10d + 5.45 = 27.45

3x(4x-5)^2

21.  The quadratic equation whose roots are -1/2 and 2/3 is?

22. The quadratic equation with sum of roots= -3/2 and product of roots =1 is?     

18. The function f(x) = 3 (x -1/2)² + 4 has

A. Maximum value 4        B. minimum value 4         C. maximum value 4/3       D. minimum value 4/3

20. The graph of y against x where y=4+3x -x²

                    A. Cuts the y-axis at the point(4. 0)                         B. is symmetrical about the line x = 3/2

                    C. has a minimum value of 25/4                           D. cuts the x-axis at the point (1, 0)

19. c + 2x - 3x² is less than unity for all real values of x. the range of value of c is?

15. If x is real and: px² + 2px - 3 < 0 then the possible values of p are ?

 16.if x is real the set of values of x² + 4x - 2 = 0 is ?