LINEAR EQUATIONS
SLOPE OF ANY HORIZONTAL LINE
What is ZERO?
Simplify (4x)0
What is 1?
3X - 7 > - 7
What is X > 0 ?
When the graph of two equations looks like this, there are INFINITELY MANY SOLUTIONS
What is SAME LINE?
Find the discriminant for
x2+3x+1=0
What is 5?
SLOPE-INTERCEPT FORM of a linear equation
What is y = mx + b ?
10-2
What is 1/100 or 0.01 ?
-7X + 5 < - 9
What is X > 2 ?
How you can tell (without graphing) that there is NO SOLUTION to a system of equations
What is the SLOPES are the SAME?
Factor
x2 + 17x + 42
What is (x + 3)(x + 14)?
Slope of any VERTICAL LINE
What is UNDEFINED?
Simplify (7ab)2
What is 49a2b2 ?
(X + 5) / 6 > - 4
What is X > - 29?
How many solutions a system of equations has when the graph shows INTERSECTING lines
What is ONE?
Factor
2x2 + 3x + 6
What is Prime?
SLOPE FORMULA
What is y2-y1 / x2-x1 ?
Simplfy (5x2)3
What is 125x6
Donovan writes the function f(x)=1,000(1.02)t
to model the amount in his savings account over t months. Based on the function, what is the interest rate of his account?
What is 2%?
the number you could multiply the FIRST EQUATION by so that you will ELIMINATE the X'S when you add the equations together ...... -3X + 5Y = 20 ....... -12X - 4Y = 0
What is -4 ?
Solve
2x2 + 9x - 18 = 0
What is 3/2 and -6?
definition of SLOPE
What is "rise over run", or "rate of change" ?
(4x5)(3x7)
What is 12x12?
Which of the following functions describes a graph that will intersect the x-axis at exactly one point?
a. y=x2-4x
b. y=x2+4x
c. y=x2+6x-9
d. y=x2+6x+9
What is d. x2+6x+9?
Solve the System
-3x + y = -3
4x + 2y = 14
What is x = 2 and y = 3?
Solve
1/4x2 = 16
What is -8 and 8?