Equations and Inequalities
Solve: -2x+3>11
x<-4
Simplify this: (x2y3)0
1
Anything to the power of 1 is 0
The formula for slope-intercept
What is y=mx+b
What are the measures of center of data?
Mean, Median, Mode
What is 6% as a decimal?
0.06
2(x+5)+3x=4x-10
x=-20
What is (3x-5)(2x+3) simplified?
6x2-x-15
Does this equation represent exponential growth or decay?
f(x)=2x
This represents growth
What are the measures of spread of data?
Range, IQR and Standard Deviation
What is 2/5 as a decimal?
0.4
solve for x: ax+by=c
x= (c-by)/a
What is (3x+4y)2 simplified?
9x2+24xy+16y2
What is the formula for the axis of symmetry?
x= -b/2a
What is the median of the following data:
1,5,5,2,6,7,2
The median is 5
What property is represented by: (a+b)+c=a+(b+c)
Associative Property of Addition
What are the zeroes of: y=x2+4x-12
x= {-6,2}
What is the GCF of: 4x2y3+8x2y2-12xy
4xy
Will the following function have a vertex that is in a minimum or maximum?
y=x2+x+3
The vertex will be a minimum
What would a scatter plot look like if there was a correlation of 0.25?
*Check graphs*
What is an irrational number?
An irrational number cannot be written as a simple fraction.
Solve: -5=x2+7x. Please round to the nearest hundredth.
-0.81 and -6.19
What operations form closed polynomials (aka will always result in a polynomial)?
Addition, subtraction and multiplication
Change this into Slope-Intercept form:
2x+5y=10
y=-2/5x+2
Causation is when one variable causes another
What is the y-intercept of the following function?
y=x2+x+3
y-intercept is (0,3)