Expressions, Equations, & Inequalities
What is x-30+√ x in written form? Ex. 5 added to a number, x. or x subtracted by 2.
x minus thirty plus the square root of x.
Put into Standard Form... -30-3x2+x+6x3=0
6x3-3x2+x-30=0
Write in exponential form: √ x3
x3/2
What is the standard Logarithmic form?
logbx=y
Solve for x: 3x - 90 = -7x + 10
x=10
What is standard form of a quadratic equation?
ax2+bx+c
What is standard form for a Quadratic Equation?
ax² + bx + c = 0
Put 91/2 into exponential form.
√ 9
What is the degree of the following...(Write in word form...ex. "2nd degree" or "3rd degree")
10x4-8x3+6x2+4x-2
4th degree
Turn 55=3125 into logarithmic form.
log53125=5
What is standard form of continuously compounded interest?
A(t)=P(e)(r x t)
True or False? The following equation 2x6 + 7x5 + x4 + 5x3 - 12x2 + 3x + 45 = 0 is in correct standard form.
True
Simplify... √ 108
6√ 3
What is another way to say logbx=y?
by=x
Solve for x: 1/2(4x-9x)-14 > 5/2x-49
x>7
True or False? The following 4(x+5)is less than or equal to -12(x+1).
True
True or False? The following 5/x + 3 is a polynomial.
False
Put into exponential form and solve...
5 x 5 x 5 x 5 x 5 x 5 x 5=
57=78,125
What is logbx=y in word form? ie. How would you say logbx=y out loud?
log base b of x is equal to y
Simplify this polynomial... (a+b)(a2 - ab + b)
a3+b3
True or False? The product of the following equation (a+b)(c+d) is ac + ad + bc + ab, if not give the correct answer.
False, ac + ad + bc + bd
True or False? The following points...(5,6), (3,1), (-3,-1), (-5,-6) are linear.
False
What is 52/3 in radical form?
cubedroot(52)
What does the letter "r" represent in the equation A(t)=a(1+r)t?
Rate of change
Simplify the following: 6y2(6x2y + 2y) + 9y2(2x2 - 4y)
24x2y2 - 24y3