Evaluating expression
solving linear equation
Rewrite formulas
Solving linear inequalities
Solving absolute value equations and inequalities
100
Evaluate the expression ( 3x)^2 - y^3 when x = -2, and y = -3
63
100
solve the equation 3 (2x - 5) - x = -7( x + 3)
x = 1/2
100
solve 9x - 4y = 7 for y. Then find the value of y when x = -5
y = -7/4 + 9/4x y = -13
100
solve and graph the inequality 15 - 3x > 3
x < 4
100
solve the equation 1/2 l 2/3x - 6 l - 4 = 5
x = 36 and x= -18
200
evaluate the expression when x = -2 and y = -3 (9x + 2y)/ (4x -y)
24/5
200
solve the equation 1/2x + 4 + -2/3x + 1/2
x = -3
200
solve 2y + xy = 6 for y. Then find the value of y when x = -3
y = 6/ (2+x) y = -6
200
solve and graph 21x + 7 < 3x + 16
x < 1/2
200
Decide if -8 is a solution of the equation l 2m + 6 l = 10
yes -8 is a solution of the equation
300
evaluate the expression when x = 1/2, y= 8/3, z = -3/4 5/2x - 3/4 (xyz)
1/2
300
3.8m + 3.2 = 2.3( m +4)
m = 4
300
Rewrite the formula for h if b = 12 and A = 84 m^2 A = 1/2 bh
h = 2A/ b h = 14
300
solve and graph 2( 4x -1 ) > 3 ( 2x + 3)
x > 11/2
300
Solve and graph, l 1/3 m - 15 l - 6 < 10
15 < m < 75
400
Evaluate the expression when s = 1/4 and t = -3/4 8( s - t) + 16 (t - s)
-8
400
2/3n - 1/12 = n + 1/8
x = -5/8
400
solve the formula P = 2l + 2w for l. Then find the length of the rectangle with a perimeter of 48 and a width of 10
l = P/2 - w l = 14
400
solve and graph the inequality -1 < 2x + 7 < 19
-4 < x < 6
400
l 1/7 y + 2 l - 5 < 3
-70 < y < 42
500
evaluate the expression when x= 1/2, y = 2/5, z = 1/7 94x - 5y)/ xy - 7z
0
500
find the length of each side of the triangle that has sides of ( 14 - 2x), (2x +1), and (3x -1) and a perimeter of 26
x = 4 the length of the sides of the triangle are 6 , 9, and 11
500
Rewrite the formula for C. Then find the temperature in celsius if the temperature in fahrenheit is 68. F = 9/5c + 32
C = 5/9 (f - 32) c = 20
500
solve and graph -4 < 10 - 6x < 14
1 > x > -2/3
500
solve and graph l 2/5 n - 8l + 4 > 12
n> 40 and n< 0