Unit 0
Solve the equation
(1/2)(x-8)=20
x=48
Find g(4) if g(x)=2x+6
g(4)=14
What is the slope of the line that passes through (2,4) and (-1,7)?
m=-1
Write the equation in slope-intercept of a line parallel to y=-3x+9 and has a y-intercept of 2.
y=-3x+2
Draw a picture of a positive correlation for a scatter plot.
Solve for x
8x-17=-7x+28
x=3
Find f(-1) if f(x)=2x+5
f(-1)=3
Write the equation in POINT SLOPE FORM for the line that passes through (-3,8) with a slope of -1.
y-8=-1(x+3)
Write the equation in POINT SLOPE FORM that is perpendicular to y=-3x+4 and passes through (-1,-2)
y+2=1/3(x+1)
What is the slope of the line Parallel AND perpendicular to the equation y=(5/4)x+7?
Parallel 5/4
Perpendicular -4/5
Solve AND graph the inequality
(2/3)x<-5
x<-7.5
Find f(0) if f(x)=-2x+7
What are the x and y intercepts of
6x-9y=18
x-intercept (3,0)
y-intercept (0,-2)
Write the equation in POINT-SLOPE form of the line perpendicular to the equation y=-2x+8 and passes through (-3,1)
y-1=1/2(x+3)
Graph the equation
5x-10y=20
x-intercept (4,0)
y-intercept (0,-2)
Solve and Graph the inequality
2(x-5)<8
x<9
Find x if f(x)=x-5 and f(x)=7
x=12
Graph the inequality y>x+5
Write the equation of the line parallel to the equation y=-3x+9 and goes through the point (-6,1)
y=-3x-17
Is (-1,2) a solution to the inequality y<-2x+6?
Hint: Graph the inequality
Yes it is a solution
Solve the equation.
6+4(x+3)-12=-5(x-3)+9
x=2
Find x if g(x)=31 and g(x)=x2+6
x=5
Write the equation in SLOPE-INTERCEPT FORM of the linear equation that passes through (1,6) and (2,5).
y=-x+7
Write the equation of the line parallel to y=2x+1 and goes through the point (4,2).
y=2x-6
A scatter plot shows the relationship between hours studied (x) and scores on an exam (y). If the line of best fit is y=6x+30, predict the score on the exam if a person got 8 hours of sleep.
78%