Solve the equation.
= 
A. 
B. 
C. 
D. 
Answer: A
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Write the quadratic function in standard form.f(x) = -2(x - 1)2 + 5
A. f(x) = -2x2 + 2x + 3 B. f(x) = -2x2 + 4x + 3 C. f(x) = -2x2 + 4x + 7 D. f(x) = -2x2 + 4x + 5
Calculate.43
- 4.28
A. 185.11 B. 38.97 C. 47.53 D. 42.18
Use a graphing calculator to plot the data and find the quadratic function of best fit.The number of housing starts in one beachside community has increased over the last eight years. The following data shows the number of housing starts over this period of time. Use a graphing calculator to plot a scatter diagram. What is the quadratic function of best fit? Round values to the nearest thousandth.
A. H(x) = -2.679x2 - 26.607x + 168.571 B. H(x) = -2.679x2 + 26.607x - 168.571 C. H(x) = -2.679x2 + 26.607x + 168.571 D. H(x) = 2.679x2 + 26.607x + 168.571
Find the regression line without using a calculator.
A. y = 3.0x + 0.15 B. y = 2.8x + 0.15 C. y = 2.8x D. y = 3.0x