1. what is the value of y?
6(5 + 3) = 6 • 5 + 6 • y
y = ?
choose all answers that are correct.
2.
which expressions show how 8 • 54 can be rewritten using the distributive property?
choose all answers that are correct.
a.
8 • 50 + 4
b.
8 • 50 + 8 • 4
c.
8 • 60 – 8 • 6
d.
8 • 60 + 8 • 4
3. simplify: 3u + 7v + 4u – 2v
a.
7u + 5v
b.
7u + 9v
c.
10u – 2v
d.
12uv
4. which are the like terms in 4x3 – 7x2 + x + x3?
a.
4x3, –7x2, and x3
b.
4x3and x
c.
4x3and x3
d.
they are all like terms.
5. simplify:
5x3 – 2x2 + x + 4x3
a.
8x3
b.
9x6– 2x2+ x
c.
9x3– 2x2+ x
d.
5x3– 2x2+ x + 4x3 (the expression cannot be simplified)