Find the y-intercepts for the parabola whose equation is given. If the y-intercepts are irrational, round your answers to the nearest tenth.y = x2 + 4x - 7
A. y-intercept (0, -12)
B. No y-intercept
C. y-intercept (0, -7)
D. y-intercept (0, 7)
Answer: C
Mathematics
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Use properties of rational exponents to simplify the expression. Assume that any variables represent positive numbers.(x-1/4y7/5)3/4
A. x1/2y43/12
B. -x3/16y21/20
C. x3/16y21/20
D. 
Mathematics
Simplify the expression.
? 
A. 
B. 
C. 
D. 
Mathematics
Write the specified ratio as a simplified fraction.In this rectangle, find the ratio of the length of the longest side to the length of the shortest side.
A = 0.2 yardB = 1.4 yardsC = 0.2 yardD = 1.4 yards
A. 
B. 
C. 
D. 
Mathematics
Solve.
= -1
A. 3 B. -1 C. 1 D. No solution
Mathematics