# algebraic substitution

### The point (1,5) is a solution to the equation 2y - x = 9

The point (1,5) is a solution to the equation 2y - x = 9 Yes, because: 2(5) - 1 ? 9 10 - 1 ? 9 9 = 9
Thread by: math_celebrity, Nov 17, 2020, 0 replies, in forum: Calculator Requests

### If x=5 and y=6-x, what does y equal?

If x=5 and y=6-x, what does y equal? For x = 5, we have: y = 6 - 5 y = 1
Thread by: math_celebrity, May 5, 2020, 0 replies, in forum: Calculator Requests

### If f(x) = ax^2 + bx + c and f(0) = 1 and f(-1) = 3, what is a - b

If f(x) = ax^2 + bx + c and f(0) = 1 and f(-1) = 3, what is a - b Evaluate f(0) f(0) = a(0^2) + b(0) + c f(0) = a(0) + b(0) + c f(0) = c Since...
Thread by: math_celebrity, Apr 29, 2020, 0 replies, in forum: Calculator Requests

### if a=3, then find the value of 30-5a.

if a=3, then find the value of 30-5a. Using our algebraic substitution calculator, we get: a = 15
Thread by: math_celebrity, Apr 23, 2020, 0 replies, in forum: Calculator Requests

### If c=3 and d=4 evaluate cd divided by 2

If c=3 and d=4 evaluate cd divided by 2 cd = 3(4) cd = 12 Divide this by 2: 12/2 6
Thread by: math_celebrity, Mar 31, 2020, 0 replies, in forum: Calculator Requests