Simple Equations
Simplify (x2)(x5)
x7
Use substitution to find x if x=3y and y=2.
x=6
Solve x - 8 > 10
x > 18
(3x+2)(2x-5)
6x2-11x-10
x^2-x-12
(x-4)(x+3)
This is Mrs. Rhea's Room Number
(no, you cannot get up and look)
What is 220
Simplify -2x2y3(9xy)
-18x3y4
In order to use elimination, would we add or subtract these equations to eliminate x?
-8x+y=9
8x+6y=21
add
Solve 7m < -21
m < -3
(x+3)(x-3)
x2-9
x2+8x+7
(x+1)(X+7)
This is how many children Mrs. Rhea has
What is 1?
Simplify (x7)3
x21
If we graphed a system of equations and the lines intersected one time, how many solutions exist to this system?
one solution
Solve 2t + 2 < -6
t < -4
(2x-5)(3x-7)
6x2-29x+35
x^2-49
(x+7)(x-7)
This is the gender of Mrs. Rhea's child.
What is a boy?
Simplify x8/x3
x5
How many times would parallel lines cross each other?
zero (no solution to a system of equations)
When graphing an inequality, what type of dot would you use for a < sign?
open dot
(3x+2)2
9x2+12x+4
x2+2x-35
(x+7)(x-5)
This is the month Mrs. Rhea was born in.
What is January?
Solve: 21 + x = 2(x - 6)
x = 33
Simplify x5y2/x3y5
x2/y3
If two lines in a system of equations had different slopes and different y-intercepts, how many solutions to the system would there be?
one solution (one intersection point)
When graphing y < mx+b, what type of boundary line and shading would we use?
dashed line, shaded under the line (solutions fall in the shaded area)
(-3x+7)(2x-5)
-6x2+29x-35
x2-14x+37
Not Factorable
This is Mrs. Rhea's age.
What is 31?