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(t+1)^(2)+c=0
In the given equation, 
c is a constant.
The equation has solutions at 
t=(3)/(2) and 
t=-(7)/(2). What is the value of 
c ?
Choose 1 answer:
(A) 
-(729)/(4)
(B) 
-(121)/(4)
(C) 
-(25)/(4)
(D) -1

(t+1)2+c=0 (t+1)^{2}+c=0 \newlineIn the given equation, c c is a constant.\newlineThe equation has solutions at t=32 t=\frac{3}{2} and t=72 t=-\frac{7}{2} . What is the value of c c ?\newlineChoose 11 answer:\newline(A) 7294 -\frac{729}{4} \newline(B) 1214 -\frac{121}{4} \newline(C) 254 -\frac{25}{4} \newline(D) 1-1

Full solution

Q. (t+1)2+c=0 (t+1)^{2}+c=0 \newlineIn the given equation, c c is a constant.\newlineThe equation has solutions at t=32 t=\frac{3}{2} and t=72 t=-\frac{7}{2} . What is the value of c c ?\newlineChoose 11 answer:\newline(A) 7294 -\frac{729}{4} \newline(B) 1214 -\frac{121}{4} \newline(C) 254 -\frac{25}{4} \newline(D) 1-1
  1. Step 11: Substituting t=32 t = \frac{3}{2} : The given equation is in the form of a quadratic equation, and we are told that t=32 t = \frac{3}{2} and t=72 t = -\frac{7}{2} are solutions to this equation. This means that if we substitute these values of t t into the equation, the equation should hold true. Let's start by substituting t=32 t = \frac{3}{2} into the equation.
  2. Step 22: Solving for c: Substitute t=32t = \frac{3}{2} into the equation (t+1)2+c=0(t+1)^2 + c = 0:\newline(32+1)2+c=0\left(\frac{3}{2} + 1\right)^2 + c = 0\newline(52)2+c=0\left(\frac{5}{2}\right)^2 + c = 0\newline254+c=0\frac{25}{4} + c = 0
  3. Step 33: Verifying with t=72 t = -\frac{7}{2} : Now, we need to solve for c c by moving 254 \frac{25}{4} to the other side of the equation:\newlinec=(254) c = -\left(\frac{25}{4}\right)
  4. Step 44: Confirming the value of cc: Next, let's verify our result by substituting the other solution, t=72t = -\frac{7}{2}, into the original equation to ensure that it also satisfies the equation with the same value of cc.
  5. Step 44: Confirming the value of c: Next, let's verify our result by substituting the other solution, t=72t = -\frac{7}{2}, into the original equation to ensure that it also satisfies the equation with the same value of cc.Substitute t=72t = -\frac{7}{2} into the equation (t+1)2+c=0(t+1)^2 + c = 0:\newline(72+1)2+c=0\left(-\frac{7}{2} + 1\right)^2 + c = 0\newline(52)2+c=0\left(-\frac{5}{2}\right)^2 + c = 0\newline(254)+c=0\left(\frac{25}{4}\right) + c = 0
  6. Step 44: Confirming the value of c: Next, let's verify our result by substituting the other solution, t=72t = -\frac{7}{2}, into the original equation to ensure that it also satisfies the equation with the same value of c.Substitute t=72t = -\frac{7}{2} into the equation (t+1)2+c=0(t+1)^2 + c = 0:\newline(72+1)2+c=0\left(-\frac{7}{2} + 1\right)^2 + c = 0\newline(52)2+c=0\left(-\frac{5}{2}\right)^2 + c = 0\newline(254)+c=0\left(\frac{25}{4}\right) + c = 0Since we have already found that c=(254)c = -\left(\frac{25}{4}\right), substituting this value into the equation should result in a true statement:\newline(254)(254)=0\left(\frac{25}{4}\right) - \left(\frac{25}{4}\right) = 0\newline0=00 = 0\newlineThis confirms that our value for c is correct.

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