prerequisite skills vocabulary check copy and complete the statement. answer –9, 9 1. the square...
DESCRIPTION
Prerequisite Skills Solve the equation for y 7. –2x – 5y = x – 4xy = 3 ANSWER y = 3x + 3 ANSWER y = – x – x – y = – ANSWER y = – + 2 4x4x 3 SKILL CHECKTRANSCRIPT
Prerequisite Skills VOCABULARY CHECK
Copy and complete the statement.
ANSWER –9, 9
1. The square roots of 81 are ? and ? .
2. In the expression 25, the exponent is ? .
ANSWER 5
3. For the polynomial function whose graph is shown, the
sign of the leading coefficient is ? .
ANSWER positive
Prerequisite Skills
Simplify the expression.
4. 15x3y–1
5x2y ANSWER 3xy2
ANSWER 94xy5
5. 24x–3y–232x–3y4
9y3x
ANSWER8x15
y9
6. 2x5y –3 –3
SKILL CHECK
Prerequisite Skills
Solve the equation for y
7. –2x – 5y = 10
9. 8x – 4xy = 3
ANSWER y = 3x + 3
ANSWER y = – x – 225
8. x – y = – 113
ANSWER y = – + 24x3
SKILL CHECK
Prerequisite Skills
Graph the polynomial function.
10. f (x) = x3 – 4x + 6
11. f (x) = – x5 + 7x2 + 2
12. f (x) = x4 – 4x2 + x
ANSWER
ANSWER
ANSWER
SKILL CHECK