Find the exact value of the expression. (sin30°)² -(cos30°)²
What will be an ideal response?
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Mathematics
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Simplify by adding or subtracting like terms.3x4 + 7x3 + 8x4
A. 18x3 B. Can't be simplified C. 18x11 D. 11x4 + 7x3
Mathematics
Use the given conditions to write an equation for the line in slope-intercept form.Passing through (3, 3) and perpendicular to x + 5y = -5
A. y = 5x - 18
B. y = - 
x + 
C. y = 5x - 12
D. y = 
x + 
Mathematics
Write the inequality in interval notation.6 > x ? 3
A. [3, 6) B. [3, 6] C. (3, 6] D. (3, 6)
Mathematics
Determine which one of the ordered triples below is a solution of the given system of equations.
a. ( 8, 4, 1 )
b. ( -4, 8, -1 )
c. ( -7, -6, - 30 )
d. ( -7, -6, -4 )
e. ( -1, 8, -4 )
Mathematics