Elementary Algebra

# Practice Test

Elementary AlgebraPractice Test

### Practice Test

752.

For the polynomial $10x4+9y2−110x4+9y2−1$
Is it a monomial, binomial, or trinomial?
What is its degree?

In the following exercises, simplify each expression.

753.

$(12a2−7a+4)+(3a2+8a−10)(12a2−7a+4)+(3a2+8a−10)$

754.

$(9p2−5p+1)−(2p2−6)(9p2−5p+1)−(2p2−6)$

755.

$(−25)3(−25)3$

756.

$u·u4u·u4$

757.

$(4a3b5)2(4a3b5)2$

758.

$(−9r4s5)(4rs7)(−9r4s5)(4rs7)$

759.

$3k(k2−7k+13)3k(k2−7k+13)$

760.

$(m+6)(m+12)(m+6)(m+12)$

761.

$(v−9)(9v−5)(v−9)(9v−5)$

762.

$(4c−11)(3c−8)(4c−11)(3c−8)$

763.

$(n−6)(n2−5n+4)(n−6)(n2−5n+4)$

764.

$(2x−15y)(5x+7y)(2x−15y)(5x+7y)$

765.

$(7p−5)(7p+5)(7p−5)(7p+5)$

766.

$(9v−2)2(9v−2)2$

767.

$3831038310$

768.

$(m4·mm3)6(m4·mm3)6$

769.

$(87x15y3z22)0(87x15y3z22)0$

770.

$80c8d216cd1080c8d216cd10$

771.

$12x2+42x−62x12x2+42x−62x$

772.

$(70xy4+95x3y)÷5xy(70xy4+95x3y)÷5xy$

773.

$64x3−14x−164x3−14x−1$

774.

$(y2−5y−18)÷(y+3)(y2−5y−18)÷(y+3)$

775.

$5−25−2$

776.

$(4m)−3(4m)−3$

777.

$q−4·q−5q−4·q−5$

778.

$n−2n−10n−2n−10$

779.

Convert 83,000,000 to scientific notation.

780.

Convert $6.91×10−56.91×10−5$ to decimal form.

In the following exercises, simplify, and write your answer in decimal form.

781.

$(3.4×109)(2.2×10−5)(3.4×109)(2.2×10−5)$

782.

$8.4×10−34×1038.4×10−34×103$

783.

A helicopter flying at an altitude of 1000 feet drops a rescue package. The polynomial $−16t2+1000−16t2+1000$ gives the height of the package $tt$ seconds a after it was dropped. Find the height when $t=6t=6$ seconds.