477 Answered Questions for the topic Precalculus Homework
Precalculus Homework
06/20/16
Find the equation of the circle in standard form for the given center (h,k) and radius r: (h,k) = (5,4), r=2
Find the equation of the circle in standard form for the given center (h,k) and radius r: (h,k) = (5,4), r=2
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Precalculus Homework
06/19/16
For what values of x will the function f(x)=vx-5 be real?
Does this mean I'd have to find the domain? Would it be x=5? I'd appreciate the help. Thank you in advance.
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Precalculus Homework
06/15/16
Evaluate the function f(x)=2x2/3x-5 and simplify at the indicated value: f(-3)=?
Evaluate the function f(x)=2x2/3x-5 and simplify at the indicated value: f(-3)=?
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Precalculus Homework
06/15/16
for the function f(x)=-x3+2 evaluate and simplify the expression: f (a+h)-f(a)/h
for the function f(x)=-x3+2 evaluate and simplify the expression: f (a+h)-f(a)/h
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Precalculus Homework
06/14/16
Let D = {x| x is a state in the United States} be the domain, and let ƒ(x) = “the state capital” be the possible function. Determine if the relation is an examp
Let D = {x| x is a state in the United States} be the domain, and let ƒ(x) = “the state capital” be the possible function. Determine if the relation is an example of a function
Precalculus Homework
06/14/16
find the center and radius for the circle defined by the equation: x2+y2+1/2x-2y-5=0
find the center and radius for the circle defined by the equation: x2+y2+1/2x-2y-5=0
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Precalculus Homework
06/14/16
find the equation of the circle in standard form for the gievn center (h,k) and radius r: (h,k)= (-3/5, -4/5) r=1
find the equation of the circle in standard form for the gievn center (h,k) and radius r: (h,k)= (-3/5, -4/5) r=1
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Precalculus Homework
06/14/16
find the center and radius for the circle defined by the equation: x2+y2+5x-y+2=0
Find the center and radius for the circle defined by the equation: x2+y2+5x-y+2=0
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06/12/16
pre cal question
Write the equation of a line through the given points in standard form Ax+By=C. (-6,1) and (-1,4)
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Precalculus Homework
06/10/16
How do I solve -6<8-|2x-1|>6
It's an absolute value inequality equation
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05/26/16
Pre Calculus
Which of the answer choices has matrix multiplication defined?A B C D⌈1 2⌉ ⌈5 6 7⌉ ⌈-1 2 3⌉ [5 9 7]
⌊3 4⌋ ⌊8 9 0⌋ l8 -4 0l
..................⌊6 7 1⌋
a) ACb) BAc) ABd) CD
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05/26/16
Pre Calculus
Determine the quadrant when the terminal side of the angle lies according to the following conditions: sin (t) < 0, csc (t) > 0.a) Quadrant Ib) Quadrant IVc) Quadrant IId) Quadrant III
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05/26/16
Pre Calculus
Find a unit vector in the same direction as the given vector: v = 3i + 4 j.a) u=3/25i+4/25j b) u=3/√7i+4/√7jc) Vector v = 3i + 4 j is a unit vector.
d) u=3/5i+4/5j
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05/26/16
Pre Calculus
Find the projection of vector u onto vector v; projvu= ((u•v)/llvll2)vu = i – 5j and v = i + 5j
a) -12/13i-60/13j
b) 1/13i+5/13j
c) 12/13i+60/13j
d) -1/13-60/13j
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05/26/16
Pre Calculus
Use DeMoivre’s Theorem to find the power of the complex number and write your solution in the form, a + bi.a) −4 − 4i b) -4√2-4√2ic) −8 − 8i
d) -2√2-2√2i
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05/26/16
Pre Calculus
Rewrite the given parametric equations in Cartesian form: x(t)=4-t y(t)=3t+2
a) y=14-3x
b) y=3x+2
c) y=x+4
d) y=4-x
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Precalculus Homework
05/24/16
-150=290.8-190e to the power of -0.75x
Solve the equation
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05/21/16
Pre Calculus
Find the exact value of the expression tan(7pi/12)
a) 2(1+√3)-2
b) 2(1-√3)-2
c) -2(1+√3)-2
d) -2(1-√3)-2
05/21/16
Pre Calculus
Use the given triangle to evaluate the trigonometric expression. The graph is a right triangle, the side on the y-axis =5 and the side o the x-axis =12. The hypotenuse is not given. sin(y/2)=?
a)...
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05/21/16
Pre Calculus
Find the value for cos(x/2) if the following conditions hold: sin(x)=-12/13 and x is in quadrant 3
a) -√17/6
b) -√7/24
c) -√7/6
d) -√17/24
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05/21/16
Pre Calculus
Simplify the expression
tan(1/2 x)+tan(1/8 x)
1-tan(1/2 x)tan(1/8 x)
a) tan(-5x/8)
b) tan(5x/8
c) tan(-3x/8)
d) tan(3x/8)
05/19/16
Use basic trigonometric identities to simplify the expression: 3sin^3 (x) csc(x) + cos^2 (x) + 2cos (-x) cos (x) = ?
Use basic trigonometric identities to simplify the expression: 3sin3 (x) csc(x) + cos2 (x) + 2cos (−x) cos (x) = ?a) 3b) sin2 (x)c) tan2 (x) + 1d) cos2 (x)
05/19/16
-2i=5j+(3i+4j+(-(1/3)i+(5/2)j)
-2i=5j+(3i+4j+(-(1/3)i+(5/2)j)
a) (14/3)i+(3/2)j
b) (16/3)i+(13/2)j
c) (2/3)i+(23/2)j
d) (8/3)i+(13/2)j
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05/19/16
Find an equation for the parabola described by its vertex, directrix, and focus point:
Find an equation for the parabola described by its vertex, directrix, and focus point: vertex (√2, -√3), directrix x=2√2, focus (0, -√3)
05/19/16
Rewrite the given parametric equations in Cartesian form
Rewrite the given parametric equations in Cartesian form: x(t)=2t-1 and y(t)=5t
a) y=5x+5
b) y=(5/2)x+5/2
c) y=(5/2)x+1
d) y=5x+1
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