what is the value of the expression 2xto the second power + 3xy - 4yto th second power when x = 2 and y = -4? please help show work, sample test... taking entrance exams for college in 2 days.... ty =]

ad

Answer

This Question: "what is the value of the expression 2xto the second power + 3xy - 4yto th second power when x = 2 and y = -4" No answers yet.

Add Answer

what is the value of the expression 2xto the second power + 3xy - 4yto th second power when x = 2 and y = -4

More Questions
Additional questions in this topic.

#### what is the value of the expression 2xto the second power + 3xy - 4yto th second power when x = 2 and y = -4

#### need help: MULTIPLY 2xto the 6th power yz to the 7th power __________________________________________ -6x to the 8th power z times -20x to the 4th power y to the 3rd power ________________________________________ x to the 3r

#### Evaluate: 2xto the ninth power-(y+z) x=-1 y=7 z=-7

#### Find the vertex of the parabola y=-2xto the second power+ 12x-13=

#### divide 9d to to the 6th power m to the 10th power times 3d to the 6th power m to the 10 power divided by 3d to the 6th power m to the 6th power

#### I am trying to figure out simplifying expressions like the one in this problem (-3)to the 5th power (numerator) over (-3) to the third power(denominator) and 64a to the seventh power b to the eighth power(numerator) over 8a to the fourth power b to the fo

#### (-4pqr)^2 use the power rule/or the power of a product oe quotient rules to simplify the expression

#### write an expression that represents the width of a rectangle with length x+5 anmd area x to the 3 power + 12x to the 2nd power+ 47x+60

#### I'm actually in 7th grade, but I'm doing 8th grade pre-algebra, but anyway, here: I'm supposed to simplify these four problems and I don't really understand how: 28s (15 power) ____ 42s (12 power) 4m+(n[7th power]m) 63m(5 power)n(6 power) _________

#### use the power-reducing formulas to rewrite the expression in the terms of the first power of the...