Match the equation of the parabola with the appropriate description.y = 2 + 4x - x2
A. Opens right
B. Opens up
C. Opens left
D. Opens down
Answer: D
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Determine the number of significant digits in the given approximate number.800
A. 2 B. 4 C. 1 D. 5
Write a word name for the number in the sentence.The sales tax rate in Boone County is 4.6 percent.
A. Forty-six thousandths B. Four and 6 hundredths C. Four and six tenths D. Forty-six hundredths
Provide the proper response.Without graphing, justify why x2 + 4 - 4x - 12y + 48 = 0 is the equation of a parabola.
What will be an ideal response?
Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.1.5x+ 3.1y- 2.3z+ 0.6w= 2.76.1x- 0.5z- 3.4w= 0.8 11.5y- 2.2w= 04.0x+ 3.0y- 2.1z= 9
A. (7.9, 2.4, 9.0, 12.3) B. (3.2, 1.0, 3.7, 5.0) C. (4.3, 1.3, 4.9, 6.7) D. (3.6, 1.1, 4.1, 5.6)