Find the x-intercepts for the parabola whose equation is given. If the x-intercepts are irrational, round your answers to the nearest tenth.y = x2 + 4x - 7
A. x-intercepts: none
B. x-intercept: (4, 0)
C. x-intercepts: (-2 ± 3.3, 0)
D. x-intercepts: (-4, 0) and (3, 0)
Answer: C
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Add the given vectors by using the trigonometric functions and the Pythagorean theorem.A = 2.04, ?a = 5.4°B = 5.05, ?b = 2.7°
A. R = 2.7, ? = 68° B. R = 5.4, ? = 248° C. R = 2.7, ? = 51.1° D. R = 7.1, ? = 231.1°
Find the particular solution to the given differential equation that satisfies the given conditions.D4y + 2 D3y - 15 D2y = 0; y = 0, Dy = 9, D2y = 27, and 
when x = 0
A. y = -3 - 3e3x B. y = c1 + c2x + c3e3x + c4e-5x C. y = -3 + 3e-3x D. y = -3 + 3e3x
Provide an appropriate response.One cannot divide an arbitrary given angle into 
congruent angles with only a compass and straightedge.
A. three B. four C. eight D. two
For the given point, find the coordinates of the image point under a half-turn about the origin.(?2, ?3)
A. (3, 2) B. (?2, 3) C. (2, 3) D. (?3, ?2)