Make a scatter plot of the data below.
X ly
25 150
50 178
175 216
100 265
125 323
150 392
1175 470.4
Use the quadratic regression feature of a graphing calculator to find a quadratic model. Round to the nearest
thousdandths place.
a. y = 7.821x2 -0.936x - 94.034
b. y=-7.8217Ā° +0.936x - 94.034
C. y = 0.008x2 +0.518x + 131.886
d. y = 0.008x2 - 0.518x - 131.886
Which statement is true? the given sides and angles cannot be used to show similarity by either the sss or sas similarity theorems. the given sides and angles can be used to show similarity by the sss similarity theorem only. the given sides and angles can be used to show similarity by the sas similarity theorem only. the given sides and angles can be used to show similarity by both the sss and sas similarity theorems.
The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?