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The equation 
s=(t+3)^(2)(t+2)(t+1)(t)(t-1) is graphed on the 
st-plane. What is the product of the unique 
t-intercepts of the graph?

The equation s=(t+3)2(t+2)(t+1)(t)(t1) s=(t+3)^{2}(t+2)(t+1)(t)(t-1) is graphed on the st s t -plane. What is the product of the unique t t -intercepts of the graph?

Full solution

Q. The equation s=(t+3)2(t+2)(t+1)(t)(t1) s=(t+3)^{2}(t+2)(t+1)(t)(t-1) is graphed on the st s t -plane. What is the product of the unique t t -intercepts of the graph?
  1. Set Equation to Zero: The tt-intercepts of a graph occur where the function ss equals zero. To find the tt-intercepts, we need to set the equation ss equal to zero and solve for tt.s=(t+3)2(t+2)(t+1)(t)(t1)=0s = (t+3)^2(t+2)(t+1)(t)(t-1) = 0
  2. Factor and Solve: Since the equation is already factored, we can find the t-intercepts by setting each factor equal to zero.\newline(t+3)2=0(t+3)^2 = 0, (t+2)=0(t+2) = 0, (t+1)=0(t+1) = 0, t=0t = 0, (t1)=0(t-1) = 0
  3. Identify T-Intercepts: Solving each equation for tt gives us the t-intercepts:t=3t = -3, t=2t = -2, t=1t = -1, t=0t = 0, t=1t = 1 Note that t=3t = -3 is a repeated root because of the squared term (t+3)2(t+3)^2.
  4. Calculate Product: The product of the unique t-intercepts is found by multiplying the distinct values of tt together.\newlineProduct = (3)×(2)×(1)×(0)×(1)(-3) \times (-2) \times (-1) \times (0) \times (1)
  5. Final Result: Multiplying the numbers together, we find the product:\newlineProduct = 00\newlineSince any number multiplied by zero is zero, the product of the tt-intercepts is 00.

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