Find an equation for the line with the given properties.The solid line L contains the point (-1, 4) and is perpendicular to the dotted line whose equation is  Give the equation of line L in slope-intercept form.

A. y - 4 = - (x + 1)
B. y = x + 
C. y - 4 = 2(x + 1)
D. y = - x + 


Answer: D

Mathematics

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Express the relationship between a small change in x and the corresponding change in y in the form .f(x) = 

A. dy =  dx
B. dy =  dx
C. dy =  dx
D. dy =  dx

Mathematics

Evaluate n C r using the formula from this section.


What will be an ideal response?

Mathematics

Find ? if ? is between 0° and 90°. Round your answer to the nearest tenth of a degree. ?  sin ?? = 0.6438 ? 

A. ?= 42.2° B. ? = 41.4° C. ? = 40.1° D. ? = 40.0° E. ? = 41.6°

Mathematics

Find the equation of the circle with radius 4 and center (-2, -3).

What will be an ideal response?

Mathematics