Evaluating Expressions
Evaluate the expression when
c=-7 and y =6
4c-y
-34
Complete the ordered pair for the given equation.
y=-2x-4 (-1, ?)
-2
Use the slope formula to determine the slope of the line containing the two points.
(6,0) and (0,-3)
m=1/2
Determine the slope and the coordinates of the y-intercept of the line.
y=-2x-7
m=-2 (0,-7)
Simplify.
-4(x+1)-4
-4x-8
Evaluate the expression when
x=-2 and y =-4
x+2y
-10
Determine if the ordered pair is a solution to the given equation.
(0,-4) ; y=-3/2x-4
YES
Use the slope formula to determine the slope of the line containing the two points.
(-2,3) and (4,-7)
m=-5/3
Determine the slope and the coordinates of the y-intercept of the line.
y=3/7x-1
m=3/7 (0,-1)
Simplify.
-(w+4)+3w
2w-4
Evaluate the expression when
x=-2 and y =3
x^2-y^2
-5
Find the x and y-intercepts of the line.
2x-5y=10
(5,0),(0,-2)
Use the slope formula to determine the slope of the line containing the two points.
(4,-2) and (6,-8)
m=-3
Write the equation in slope-intercept form.
3x-4y=12
y=-3/4x-3
Simplify.
5(v+2)-8v
-3v+10
Evaluate the expression when
x=3 and y =-2
x^2-4y^2
-7
Determine whether the ordered pair is a solution to the given equation.
(-7,-3); 4x-5y=-13
YES
What is the slope of the line perpendicular to
m=3
m=-1/3
For the given equation, find the slope and the y-intercept.
3x+5y=20
m=-3/5 (0,4)
Simplify.
-2(y+4)-4y
-6y-8
Find the value of
3y^2-18y+9 if y = -1
30
Determine the missing y-values for the given equation.
(0,?),(2,?),(4,?) y=1/2x-2
(0,-2),(2,-1),(4,0)
Determine if the lines are parallel, perpendicular, or neither.
L1:(7,1) and (0,0)
L2: (-10,-8) and (4,-6)
Parallel, Slope 1 and 2
m=1/7
Write an equation of a line in slope-intercept form, given the slope and a point on the line.
m=-2 (3,4)
y=-2x+10
Simplify.
4(4x-6)+5(4x-2)
36x-34