linear equations
what is the value of x in the equation 2x+ 3=7?
x=2
what is the output of the function F(x)= 2x+ 1 when x = 3?
7
simplify 23
8
you buy 3 notebooks for $2 each. what is the total cost ?
$6
what is the slope of horizontal line
0
Simplify: 3(x+4)-2x
x+12
is the following a function (2,3) , (4,5) , (2,6)
because the input 2 has two output
Simplify: x2 x x3
x5
A movie ticket cost $12 write an expression for the cost of t tickets
12t
what is the y-intercept of the equation: y=3x-5
-5
Factor: x + 5x+6
(x+2)(x+3)
write the equation of a line in slope intercept form with a slop of -3 and a y-intercept of 4
y+-3x+4
simplify: (3x2 )2
9x4
you have $40 and spend $x on lunch. write an expression for how much money you have left.
40-x
Write is the y-intercept form of a line with slope 2 and y-intercept 4
y=2x+4
Solve for x: 2(x-3)=x+5
x=11
what is the slope of the line passing through the points (1,2) and (3,6)
2
x3
A plumber charges $50 for a visit plus $25 per hour. Write an equation for the total cost C for h hours of work
C=50+25h
does the point (2,5) lie on the line y+2x +1
because 2(2) +1 =5
write an equation for the line that passes through (2,3) and has a slope of 4
y=4x-5
A function is defined by f(x) = x2-4x+3 what is the vertex of the parabola ?
(2,-1)
(2x3y2) x (3xy4)
6x4y6
you are 5 years older than your brother. The sum of your ages is 27. How old are you?
you are 16
Find the slope of the line passing through the points (3,7) and (6,1)
-2 (slope = (1-7)(6-3)=6/3=2)