Write the polynomial in standard form. Then find its degree and leading coefficient.8 + 5x3 + 20x4
A. 20x4 + 5x3 + 8, degree: 7, leading coefficient: 20
B. 20x4 + 5x3 + 8, degree: 4, leading coefficient: 20
C. 8 + 5x3 + 20x4 , degree: 4, leading coefficient: 8
D. 8 + 5x3 + 20x4 , degree: 8, leading coefficient: 8
Answer: B
Mathematics
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Solve the right triangle for all missing sides and angles to the nearest tenth.
c = 22A = 64°
A. B = 26°, a = 45.1, b = 19.8 B. B = 26°, a = 19.8, b = 9.6 C. B = 26°, a = 9.6, b = 45.1 D. B = 26°, a = 9.6, b = 19.8
Mathematics
Solve the equation.x2 + 2x - 80 = 0
A. 10, -8 B. 10, 8 C. -10, 1 D. -10, 8
Mathematics
Determine whether the formula determines y as a function of x.y = x2 + 3
A. No B. Yes
Mathematics
Solve the exponential equation and approximate the result, correct to three decimal places.3(3x - 2) = 13
A. 2.111 B. 0.112 C. 1.445 D. 1.155
Mathematics