Pre-Calculus Test 1, sec.2
3x*2x-(x^2+1)*3/(x^2+1)^2
3(x+1)(x-1)/(x^2+1)^2
x/x^2-4x+3 - x/x^2-x-6
3x/ (x+2)(x-3)(x-1)
Perform the indicated operation and simplify the result. Leave your answer in factored form 8x^2/x2-25 * x^3-125/2x
4x(x^2+5x+25)/x+5
x/x^2-64 + 6/x
7x^2-384/x(x^2-64)
Perform the indicated operation and simplify the result. Leave your answer in factored form 9+(1/x)/5-(1/x)
9x+1/5x-1
Use synthetic division to determine whether x-4 is a factor of 3x^4-12x^3-5x+20 a. no the remainder is ? b. yes the remainder is 0
B
Use synthetic division x^5-1 divided by x-1 Q: R:
Q: x^4+x^3+X^2+x+1 Remainder: 0
Use synthetic division to find the remainder and the quotient x^5-6x^3+2x id divided by x+1 Q: .R:
Q: x^4-x^3-5x^2+5x-3 R: 3
Solve the given formula S=a/1-r
S-a/S
Use the discriminant to determine whether the quadratic equation has two unequal real solutions, a repeated real solution, or no real solution, without solving the equation. 3x^2-x+3=0 a. there are two unequal real solution b. there is a repeated solution c. there is no real solution
c
Find the real solutions of the equation. |2-2t|+2=8
{-2,4}
Solve the equation x^3-19x^2=0
{0,19}
Solve the equation (x+7)(x-3)=(x+1)^2
{11}
3/x-2= -6/x+6 + 33/(x-2)(x+6)
{3}
Solve the equation by the square root method (x-2)^2=16
{6, -2}
3x^2-13x+14=0
{7/3, 2}