vocab for chapter 7
what is the sum of the exponents of a term's variables is?
the degree of monomial
3a+9
bionomial
what are the three ways to solve a system of linear equations?
graphing, subsitution, elimination
m=y2-y1/x2-x1 solve it?
65-35/ 3 1/2 - 1 1/2 = 30/2= 15
what is formula for direct variation?
Y=kx
the sum of monomials is a?
polynomial
15m5n4
monomial
y=4x+3 and y= -x-2? what are the number of solution and the description and point of intersection for this problem.
1 solution, intersecting and independent, consistent, -1,-1.
what is the form of a linear equation it is called the?
point-slope form
5y+5x=0?
y=0, x=0
a polynomial in one variable arranged so its terms are in order from greatest to least degree is written in?
Standard Form
24u+19t-15u+7tu+8t
solving by adding like terms.
y=-2x=2/y=-2x -2? what description does this problem have and do they intersect?
they do not intersect and the description is that they are parrallel lined
where is the m located?
it is located in the slope.
slope:3;y-intercept: -4?
Y=3x+-4
the degree of all the terms in the polynomials is the?
degree of the polynomial
what is the degree of the polynomial in 19a4b3?
the degree of 7.
what is the answer for -2x-3y=-7 and y=6x-11?
(2,1)
slope: 2/3 ; point: (-2,-1) Y-y1= m(x-x1)?
y+1= 2/3 (x+2)= M= 2/3.
slope:3;(2,9)?
y=3x=3
a term that has no variable part is called a?
Constant term
(5c8d9)(-2c6d10)
-10c14d19
what is the answer for the system of 5x-4y=-3 and y=-3+5?
{1,2}
subsitute the slope and the coordinates of one of the points into the point slope form?
Y-y1=m (x-x1)
write an equation in point slope form: y-y1 =m (x-x1) with m= - 1/4 and passing through the points (2,-1).
m= - 1/4 and x1y1= (2,-1) equation in pointslope form = -1-y1=-1/4(2-x1)